1-und-1.com - robtex.com

1-und-1.com

DNSSEC⚠️ Not signed
NSns-telco.ui-dns.com ⭐
A2001:8d8:fe:53:0:d9a0:52d7:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-telco.ui-dns.com
A2607:f1c0:fe:53:185:132:34:215🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns-telco.ui-dns.com
A185.132.34.215🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns-telco.ui-dns.com
A217.160.82.215🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-telco.ui-dns.com
NSns-telco.ui-dns.biz
A2001:8d8:fe:53:0:d9a0:51d7:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-telco.ui-dns.biz
A2607:f1c0:fe:53:185:132:33:215🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns-telco.ui-dns.biz
A185.132.33.215🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns-telco.ui-dns.biz
A217.160.81.215🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-telco.ui-dns.biz
NSns-telco.ui-dns.de
A2001:8d8:fe:53:0:d9a0:50d7:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-telco.ui-dns.de
A2607:f1c0:fe:53:185:132:32:215🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns-telco.ui-dns.de
A185.132.32.215🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns-telco.ui-dns.de
A217.160.80.215🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-telco.ui-dns.de
NSns-telco.ui-dns.org
A2001:8d8:fe:53:0:d9a0:53d7:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-telco.ui-dns.org
A2607:f1c0:fe:53:185:132:35:215🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns-telco.ui-dns.org
A185.132.35.215🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns-telco.ui-dns.org
A217.160.83.215🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-telco.ui-dns.org
MXno-mx.ui-dns.com ⭐
TXTv=spf1 -all
SOAns-telco.ui-dns.comdnsadmin@ionos.com 2020-11-10 #1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1786671669

Same first word

1-und-1.net
1-und-1.name
1-und-1.com
1-und-1.com.cn
1-und-1.info

DNS History

10 records (5 active, 5 former)

20162017201820192020202120222023202420252026NSns-telco.ui-dns.bizns-telco.ui-dns.comns-telco.ui-dns.dens-telco.ui-dns.orgns3.kundenserver.dens4.kundenserver.deMXno-mx.ui-dns.commx00.kundenserver.demx01.kundenserver.deA212.227.142.1
●NSns-telco.ui-dns.biz2026-08-12 → 2026-08-14 · 3 obs
○ 2020-03-28 20:52:56
● 2026-08-12 06:09:00
● 2026-08-14 02:00:20
●NSns-telco.ui-dns.com2026-08-12 → 2026-08-14 · 3 obs
○ 2020-03-28 20:52:56
● 2026-08-12 06:09:00
● 2026-08-14 02:00:20
●NSns-telco.ui-dns.de2026-08-12 → 2026-08-14 · 3 obs
○ 2020-03-28 20:52:56
● 2026-08-12 06:09:00
● 2026-08-14 02:00:20
●NSns-telco.ui-dns.org2026-08-12 → 2026-08-14 · 3 obs
○ 2020-03-28 20:52:56
● 2026-08-12 06:09:00
● 2026-08-14 02:00:20
○NSns3.kundenserver.de2015-05-19 → 2020-03-28 · 4 obs
● 2015-05-19 05:57:46
● 2020-03-28 20:52:56
○ 2026-08-12 06:09:00
○ 2026-08-14 02:00:20
○NSns4.kundenserver.de2015-05-19 → 2020-03-28 · 4 obs
● 2015-05-19 05:57:46
● 2020-03-28 20:52:56
○ 2026-08-12 06:09:00
○ 2026-08-14 02:00:20
○MXmx00.kundenserver.de2015-05-19 → 2020-03-28 · 4 obs
● 2015-05-19 05:57:46
● 2020-03-28 20:52:56
○ 2026-08-12 06:09:00
○ 2026-08-14 02:00:20
○MXmx01.kundenserver.de2015-05-19 → 2020-03-28 · 4 obs
● 2015-05-19 05:57:46
● 2020-03-28 20:52:56
○ 2026-08-12 06:09:00
○ 2026-08-14 02:00:20
●MXno-mx.ui-dns.com2026-08-12 → 2026-08-14 · 3 obs
○ 2020-03-28 20:52:56
● 2026-08-12 06:09:00
● 2026-08-14 02:00:20
○A212.227.142.12015-05-19 → 2020-03-28 · 4 obs
● 2015-05-19 05:57:46
● 2020-03-28 20:52:56
○ 2026-08-12 06:09:00
○ 2026-08-14 02:00:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net...-
1-und-1.comns-telco.ui-dns.com, ns-telco.ui-dns.biz, ns-telco.ui-dns.org, ns-telco.ui-dns.de1 record

✅ Authoritative Response

Server:185.132.32.215

NS records: ns-telco.ui-dns.com, ns-telco.ui-dns.biz, ns-telco.ui-dns.org, ns-telco.ui-dns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 1-und-1.com (unsigned zone)

⏱️ Timing

Total: 710ms | Queries: -

📄 Records

TypeCountSample Data
NS4ns-telco.ui-dns.biz, ns-telco.ui-dns.com...
MX1no-mx.ui-dns.com (pri: 1)
TXT1v=spf1 -all
SOA1ns-telco.ui-dns.com dnsadmin.ionos.com

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-telco.ui-dns.com)

Analysis

Name Servers

Four name servers handle the delegation for 1-und-1.com: ns-telco.ui-dns.biz, ns-telco.ui-dns.com, ns-telco.ui-dns.de and ns-telco.ui-dns.org.

There is at least partial name server overlap between 1-und-1.com and other domains — 1-y-1.info, oneandone.biz, cloud-drive-access.de and two more among them.

These name servers regularly appear alongside ns-1and1.ui-dns.com, ns-1and1.ui-dns.de, ns-1and1.ui-dns.biz and 5 other name servers in NS record sets.

ns-telco.ui-dns.biz, ns-telco.ui-dns.com, ns-telco.ui-dns.de and ns-telco.ui-dns.org are host names that each resolve to four IP numbers: ns-telco.ui-dns.biz resolves to 185.132.33.215, 217.160.81.215, 2001:8d8:fe:53:0:d9a0:51d7:100 and 2607:f1c0:fe:53:185:132:33:215, ns-telco.ui-dns.com resolves to 185.132.34.215, 217.160.82.215, 2001:8d8:fe:53:0:d9a0:52d7:100 and 2607:f1c0:fe:53:185:132:34:215, ns-telco.ui-dns.de resolves to 185.132.32.215, 217.160.80.215, 2001:8d8:fe:53:0:d9a0:50d7:100 and 2607:f1c0:fe:53:185:132:32:215 and ns-telco.ui-dns.org resolves to 185.132.35.215, 217.160.83.215, 2001:8d8:fe:53:0:d9a0:53d7:100 and 2607:f1c0:fe:53:185:132:35:215.

Mail Servers

1-und-1.com uses one mail server — no-mx.ui-dns.com.

The mail server setup of 1-und-1.com matches that of other domains such as salzgitter.email, neue.center, 1und1.tools and two others.