IONOS / 1&1

Registrar DNS Serves 663,019 new-gTLD domains across 478 TLDs, 1.78% of all domains whose nameservers we can attribute. www.ionos.com/

The registrar's own nameservers, used by default for domains that have not been pointed elsewhere — which includes both active sites and domains doing nothing at all.

How domains are attributed here

A domain counts towards IONOS / 1&1 when one of its nameservers ends in one of these suffixes. Matching is on the name in the zone's NS records only — nothing is resolved or fetched. Listed by weight, which is the order the classifier tries them in so a specific suffix beats a broader one.

Nameserver suffixWeight
1and1-dns.com 10
ui-dns.biz 10
ui-dns.com 10
ui-dns.de 10
ui-dns.org 10

Where its domains are

Source: Daily zone files

.store — 187.38k (28.26%).online — 119.34k (18%).app — 41,687 (6.29%).shop — 27,621 (4.17%).cloud — 21,283 (3.21%).global — 12,890 (1.94%).tech — 11,289 (1.7%).xyz — 9,902 (1.49%).club — 9,837 (1.48%).berlin — 8,966 (1.35%)Other — 212.82k (32.1%)
663.02kzone, 10 Nov 2026
TLD share for IONOS / 1&1
.store187.38k28.26%
.online119.34k18%
.app41,6876.29%
.shop27,6214.17%
.cloud21,2833.21%
.global12,8901.94%
.tech11,2891.7%
.xyz9,9021.49%
.club9,8371.48%
.berlin8,9661.35%
Other468 more TLDs212.82k32.1%

The ten largest of 478 TLDs, with the rest combined; all of them are in the table below.

Nameservers in use

as of 10 Nov 2026

The hostnames actually found in the zones, with how many domains name each. The suffixes above are the rule; these are what the rule matched. Counted across all gTLDs rather than the current scope, since the aggregate is built in one pass over every zone. Showing the fifteen largest.

Nameserver Domains Share of these
ns1045.ui-dns.biz 97,304
15.6%
ns1016.ui-dns.biz 42,573
6.8%
ns1017.ui-dns.biz 41,397
6.6%
ns1019.ui-dns.biz 40,337
6.5%
ns1018.ui-dns.biz 40,327
6.5%
ns1021.ui-dns.biz 39,899
6.4%
ns1020.ui-dns.biz 37,696
6%
ns1022.ui-dns.biz 37,112
6%
ns1023.ui-dns.biz 36,722
5.9%
ns1025.ui-dns.biz 36,668
5.9%
ns1024.ui-dns.biz 36,636
5.9%
ns1027.ui-dns.biz 35,338
5.7%
ns-de.1and1-dns.com 34,240
5.5%
ns1026.ui-dns.biz 33,592
5.4%
ns1028.ui-dns.biz 33,287
5.3%

These 15 nameservers carry 623,128 of the 4,923,686 domains this provider serves across every zone we parse, which spans new and legacy gTLDs together — more than the 663,019 counted under new gTLDs alone.

TLDs served

as of 10 Nov 2026
TLD Domains here Share of this provider Of the TLD
.kaufen 560
0.08%
12.65%
.school 558
0.08%
2.22%
.bike 546
0.08%
3.44%
.cafe 537
0.08%
2.1%
.city 510
0.08%
1.56%
.band 502
0.08%
2.43%
.capital 494
0.07%
1.32%
.zone 482
0.07%
1.6%
.photos 479
0.07%
2.51%
.gmx 477
0.07%
99.79%
.madrid 456
0.07%
14.17%
.institute 445
0.07%
1.93%
.fit 425
0.06%
0.45%
.reisen 425
0.06%
9.72%
.dental 424
0.06%
4.8%
.solar 420
0.06%
4.55%
.house 413
0.06%
1.67%
.tools 406
0.06%
1.26%
.fitness 379
0.06%
2.57%
.partners 378
0.06%
2.12%
.guide 377
0.06%
1.83%
.dog 360
0.05%
1.98%
.direct 352
0.05%
2.85%
.finance 350
0.05%
1.01%
.vision 349
0.05%
3.04%
.onl 347
0.05%
0.48%
.restaurant 343
0.05%
4.02%
.love 335
0.05%
0.51%
.wine 334
0.05%
1.34%
.taxi 333
0.05%
4.81%
.video 332
0.05%
1.24%
.promo 330
0.05%
4.86%
.estate 324
0.05%
2.84%
.farm 315
0.05%
1.13%
.ventures 314
0.05%
1.31%
.limited 308
0.05%
4.67%
.barcelona 306
0.05%
6.69%
.bar 303
0.05%
0.54%
.golf 303
0.05%
1.54%
.dance 300
0.05%
3.43%
.clinic 291
0.04%
1.52%
.contact 291
0.04%
2.41%
.wtf 290
0.04%
0.63%
.boutique 288
0.04%
1.48%
.gal 287
0.04%
3.64%
.help 285
0.04%
0.15%
.yoga 282
0.04%
1.03%
.market 281
0.04%
1.44%
.pet 281
0.04%
1.33%
.properties 274
0.04%
2.12%
.show 273
0.04%
1.36%
.vet 270
0.04%
2.29%
.vip 270
0.04%
0.01%
.directory 267
0.04%
1.77%
.tirol 265
0.04%
3.31%
.fashion 264
0.04%
1.76%
.cool 263
0.04%
1.18%
.run 261
0.04%
0.42%
.foundation 254
0.04%
0.82%
.click 253
0.04%
0.03%
.express 248
0.04%
2.75%
.health 242
0.04%
0.36%
.tours 238
0.04%
1.79%
.clothing 237
0.04%
2.47%
.pub 231
0.03%
1.33%
.wiki 228
0.03%
0.12%
.top 227
0.03%
0%
.party 222
0.03%
0.85%
.lawyer 220
0.03%
2.7%
.lighting 217
0.03%
3.99%
.productions 214
0.03%
1.97%
.sale 211
0.03%
1.43%
.computer 208
0.03%
2.09%
.chat 207
0.03%
0.35%
.catering 206
0.03%
6.86%
.audio 205
0.03%
3.55%
.camp 205
0.03%
2.56%
.engineering 204
0.03%
1.79%
.beer 202
0.03%
0.12%
.film 201
0.03%
2.7%
.holiday 201
0.03%
5.86%
.repair 200
0.03%
2.22%
.versicherung 200
0.03%
16.21%
.cards 199
0.03%
1.29%
.kitchen 199
0.03%
2.61%
.ninja 197
0.03%
0.83%
.red 195
0.03%
1.06%
.green 194
0.03%
2.33%
.report 191
0.03%
1.57%
.style 191
0.03%
1.64%
.discount 190
0.03%
5.68%
.rentals 188
0.03%
1.5%
.pictures 187
0.03%
2.24%
.domains 186
0.03%
2.52%
.gratis 185
0.03%
6.09%
.enterprises 184
0.03%
1.78%
.graphics 181
0.03%
3.37%
.casa 176
0.03%
0.18%
.construction 175
0.03%
1.85%
.university 169
0.03%
2.12%

Data currency. Domain counts on this page are from zone files dated and refresh daily. Registrar figures are from ICANN's monthly registry reports for July 2026, which ICANN publishes about three months in arrears; zone files contain no registrar information, so no fresher source exists. Full detail on methodology and live pipeline status.