1and1only.com - robtex.com
1and1only.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774624217 | ||||||
Same first word
1and1only.com |
DNS History
14 records (8 active, 6 former)
○NSno-dyn-updates.san.yahoo.com2015-06-16 → 2016-12-06 · 4 obs
● 2016-12-06 10:27:28
○ 2017-07-03 13:44:34
○ 2026-03-27 15:31:52
●NSns1023.ui-dns.com2026-02-24 → 2026-03-27 · 3 obs
● 2026-02-24 07:28:30
● 2026-03-27 15:31:52
●NSns1047.ui-dns.de2026-02-24 → 2026-03-27 · 3 obs
● 2026-02-24 07:28:30
● 2026-03-27 15:31:52
●NSns1074.ui-dns.biz2026-02-24 → 2026-03-27 · 3 obs
● 2026-02-24 07:28:30
● 2026-03-27 15:31:52
●NSns1085.ui-dns.org2026-02-24 → 2026-03-27 · 3 obs
● 2026-02-24 07:28:30
● 2026-03-27 15:31:52
○NSyns1.yahoo.com2015-06-16 → 2016-12-06 · 4 obs
● 2016-12-06 10:27:28
○ 2017-07-03 13:44:34
○ 2026-03-27 15:31:52
○NSyns2.yahoo.com2015-06-16 → 2016-12-06 · 4 obs
● 2016-12-06 10:27:28
○ 2017-07-03 13:44:34
○ 2026-03-27 15:31:52
○MXmx-biz.mail.am0.yahoodns.net2015-06-16 → 2016-12-06 · 4 obs
● 2016-12-06 10:27:28
○ 2017-07-03 13:44:34
○ 2026-03-27 15:31:52
●MXmx00.ionos.com2026-02-24 → 2026-03-27 · 3 obs
● 2026-02-24 07:28:30
● 2026-03-27 15:31:52
●MXmx01.ionos.com2026-02-24 → 2026-03-27 · 3 obs
● 2026-02-24 07:28:30
● 2026-03-27 15:31:52
●A2607:f1c0:100f:f000::2ac2026-02-24 → 2026-03-27 · 3 obs
● 2026-02-24 07:28:30
● 2026-03-27 15:31:52
○A67.195.61.462015-11-06 → 2016-12-06 · 5 obs
● 2015-11-06 23:12:40
● 2016-12-06 10:27:28
○ 2017-07-03 13:44:34
○ 2026-03-27 15:31:52
●A74.208.236.1552026-02-24 → 2026-03-27 · 3 obs
● 2026-02-24 07:28:30
● 2026-03-27 15:31:52
○A98.136.187.132015-06-16 → 2015-06-16 · 3 obs
○ 2015-11-06 23:12:40
○ 2026-03-27 15:31:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net... | - |
| 1and1only.com | ns1047.ui-dns.de, ns1074.ui-dns.biz, ns1085.ui-dns.org, ns1023.ui-dns.com | 2 records |
✅ Authoritative Response
Server:217.160.81.74
NS records: ns1047.ui-dns.de, ns1074.ui-dns.biz, ns1085.ui-dns.org, ns1023.ui-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 1and1only.com (unsigned zone)
⏱️ Timing
Total: 871ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 74.208.236.155 |
| AAAA | 1 | 2607:f1c0:100f:f000::2ac |
| NS | 4 | ns1047.ui-dns.de, ns1023.ui-dns.com... |
| MX | 2 | mx01.ionos.com (pri: 10), mx00.ionos.com (pri: 10) |
| TXT | 1 | v=spf1 include:_spf-us.ionos.com ~all |
| SOA | 1 | ns1074.ui-dns.biz hostmaster.1und1.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1023.ui-dns.com, ns1023.ui-dns.com)
Analysis
IP Addresses
1and1only.com resolves to two IP numbers: 2607:f1c0:100f:f000::2ac and 74.208.236.155.
Other host names, for instance cjkeatley.com, ary(0x616e616c)inovi.com, sorority-strippers.tv, fenerbahceliyiz.biz and kktm.ca share IP numbers with 1and1only.com.
Name Servers
1and1only.com's delegation is handled by four name servers: ns1074.ui-dns.biz, ns1023.ui-dns.com, ns1047.ui-dns.de and ns1085.ui-dns.org.
1and1only.com partially shares name servers with other domains; examples include flooringsupplygroup.com, hahn-bedachungen.de, future-thinking.de, auslieferung.net and preqin.co.uk.
These name servers are commonly used alongside ns1023.ui-dns.de, ns1023.ui-dns.org, ns1023.ui-dns.biz, ns1074.ui-dns.com, ns1085.ui-dns.com, ns1074.ui-dns.de, ns1085.ui-dns.biz, ns1085.ui-dns.de, ns1074.ui-dns.org and ns1047.ui-dns.com.
Host names with two IPs:
ns1074.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:514a:100 and 217.160.81.74
ns1023.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:5217:100 and 217.160.82.23
ns1047.ui-dns.de points to 2001:8d8:fe:53:0:d9a0:502f:100 and 217.160.80.47
ns1085.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:5355:100 and 217.160.83.85
Mail Servers
1and1only.com is handled by two mail servers: mx00.ionos.com and mx01.ionos.com.
1and1only.com has the same mail server setup as other domains, including randbsalvage.com, 24hrtowtruckservice.com, shafferglassworks.com, rowanchheda.com and kidssmile.net.
Some mail servers are shared between 1and1only.com and other domains, for example cash4carsindianapolis.com.
Host names with one IP number: The host name mx00.ionos.com points to 74.208.5.3 and the host name mx01.ionos.com points to 74.208.5.21.