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IONOS / 1&1

Registrar DNS Serves 4,923,637 gTLD domains across 495 TLDs, 2.98% of all domains whose nameservers we can attribute. www.ionos.com/

New gTLDs Legacy gTLDs All gTLDs
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

.com — 3.23M (65.66%).org — 392.31k (7.97%).info — 299.39k (6.08%).net — 284.98k (5.79%).store — 187.38k (3.81%).online — 119.34k (2.42%).app — 41,687 (0.85%).shop — 27,621 (0.56%).biz — 27,230 (0.55%).cloud — 21,283 (0.43%)Other — 289.52k (5.88%)
4.92Mzone, 10 Nov 2026
.com3.23M65.66%
.org392.31k7.97%
.info299.39k6.08%
.net284.98k5.79%
.store187.38k3.81%
.online119.34k2.42%
.app41,6870.85%
.shop27,6210.56%
.biz27,2300.55%
.cloud21,2830.43%
Other485 more TLDs289.52k5.88%

The ten largest of 495 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 4,923,637 counted under gTLDs alone.

TLDs served

as of 10 Nov 2026
TLD Domains here Share of this provider Of the TLD
.gives 12
0%
0.34%
.ngo 12
0%
0.26%
.abogado 13
0%
2.34%
.ceo 13
0%
0.12%
.coupons 13
0%
0.13%
.navy 13
0%
1.1%
.country 14
0%
0.54%
.irish 14
0%
0.29%
.corsica 15
0%
0.62%
.hiphop 15
0%
1.25%
.loan 15
0%
0.09%
.brussels 16
0%
0.2%
.democrat 17
0%
1.55%
.cheap 18
0%
0.51%
.lease 18
0%
0.98%
.review 18
0%
0.24%
.desi 19
0%
1.03%
.guitars 19
0%
3.7%
.ing 19
0%
0.08%
.makeup 19
0%
0.02%
.stream 19
0%
0.09%
.cam 22
0%
0.01%
.coop 22
0%
0.26%
.webcam 22
0%
1.08%
.sbs 23
0%
0%
.homes 24
0%
0.02%
.ovh 24
0%
0.03%
.cruises 25
0%
1.07%
.exposed 25
0%
0.84%
.music 25
0%
0.18%
.eco 26
0%
0.37%
.hockey 26
0%
1.37%
.rehab 26
0%
1.25%
.moda 27
0%
1.23%
.skin 27
0%
0.04%
.vodka 27
0%
1.54%
.gift 28
0%
0.53%
.men 28
0%
0.22%
.christmas 30
0%
0.18%
.hospital 30
0%
1.51%
.capetown 31
0%
0.89%
.limo 31
0%
1.4%
.tokyo 31
0%
0.04%
.viajes 31
0%
4.68%
.florist 32
0%
1.84%
.hair 32
0%
0.08%
.kiwi 32
0%
0.24%
.accountant 33
0%
2.24%
.mortgage 33
0%
0.93%
.organic 33
0%
2.13%
.poker 33
0%
0.48%
.tube 33
0%
0.95%
.diamonds 34
0%
1.74%
.fail 34
0%
0.78%
.fishing 34
0%
1.87%
.actor 36
0%
1.02%
.army 36
0%
0.64%
.download 36
0%
0.37%
.loans 36
0%
0.68%
.rest 36
0%
0.03%
.sexy 36
0%
1.3%
.bid 37
0%
0.07%
.casino 37
0%
0.03%
.faith 37
0%
0.67%
.recipes 37
0%
0.9%
.cooking 38
0%
1.63%
.fans 38
0%
0.38%
.lgbt 38
0%
1.11%
.college 39
0%
0.39%
.flights 39
0%
1.67%
.maison 39
0%
2.47%
.villas 39
0%
0.53%
.llc 40
0%
0.07%
.gay 41
0%
0.21%
.win 41
0%
0.02%
.travel 43
0%
0.15%
.buzz 45
0%
0.02%
.jewelry 45
0%
1.25%
.boston 46
0%
1.06%
.town 46
0%
0.58%
.best 47
0%
0.05%
.gifts 47
0%
0.83%
.mba 47
0%
0.94%
.surgery 47
0%
2.89%
.plumbing 48
0%
1.96%
.singles 49
0%
1.6%
.furniture 50
0%
2.13%
.host 51
0%
0.19%
.lat 51
0%
0.02%
.futbol 54
0%
2.14%
.sarl 55
0%
2.01%
.kim 56
0%
0.71%
.vote 56
0%
0.85%
.aero 57
0%
0.41%
.pink 58
0%
0.84%
.salon 59
0%
1.35%
.soccer 60
0%
1.61%
.financial 61
0%
0.77%
.claims 62
0%
1.53%
.vin 62
0%
0.35%

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.