sfr-online.com - robtex.com
sfr-online.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:4f8:221:11cd:9734:4c26:6044:5f33🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | redirect.checkdomain.de | ||||||
| A | 88.99.101.251🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC | ||||||
| NS | ns2.checkdomain.de ⭐ | ||||||
| A | 2a01:4f8:2b02:a88::106🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns2.checkdomain.de | ||||||
| A | 5.9.190.98🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5 | ||||||
| PTR | ns2.checkdomain.de | ||||||
| NS | ns.checkdomain.de | ||||||
| A | 2a02:2b80:101:5000::9🇩🇪 CLOUDPIT2a02:2b80:101::/48 | ||||||
| A | 109.237.143.11🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | ns1.checkdomain.de | ||||||
| MX | sfr-online.com ⭐ | ||||||
| A | 2a01:4f8:221:11cd:9734:4c26:6044:5f33🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | redirect.checkdomain.de | ||||||
| A | 88.99.101.251🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC | ||||||
| PTR | redirect.checkdomain.de | ||||||
| SOA | ns.checkdomain.dehostmaster@checkdomain.de 2017-03-30 #1 | ||||||
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=1776682532 | ||||||
MX for
sfr-online.com |
Same first word
sfr-online.com |
sfr-online.de |
sfr-online.org |
Similar names
DNS History
12 records (5 active, 7 former)
○NSdns01-tld.t-online.de2008-03-17 → 2008-03-17 · 3 obs
○ 2015-10-10 14:10:08
○ 2026-04-20 11:01:30
○NSdns02-tld.t-online.de2008-03-17 → 2008-03-17 · 3 obs
○ 2015-10-10 14:10:08
○ 2026-04-20 11:01:30
●NSns.checkdomain.de2015-10-10 → 2026-04-20 · 3 obs
● 2015-10-10 14:10:08
● 2026-04-20 11:01:30
●NSns2.checkdomain.de2015-10-10 → 2026-04-20 · 3 obs
● 2015-10-10 14:10:08
● 2026-04-20 11:01:30
●MXsfr-online.com2015-10-10 → 2026-04-20 · 3 obs
● 2015-10-10 14:10:08
● 2026-04-20 11:01:30
○MXsmtp-01.tld.t-online.de2008-03-17 → 2008-03-17 · 3 obs
○ 2015-10-10 14:10:08
○ 2026-04-20 11:01:30
○MXsmtp-02.tld.t-online.de2008-03-17 → 2008-03-17 · 3 obs
○ 2015-10-10 14:10:08
○ 2026-04-20 11:01:30
○A130.185.109.772015-10-10 → 2016-07-26 · 5 obs
● 2015-10-10 14:10:08
● 2016-07-26 00:44:56
○ 2017-04-06 01:34:16
○ 2026-04-20 11:01:30
○A2a01:4a0:2002:4:1da9:a99f:5423:3cf12015-10-10 → 2016-07-26 · 5 obs
● 2015-10-10 14:10:08
● 2016-07-26 00:44:56
○ 2017-04-06 01:34:16
○ 2026-04-20 11:01:30
●A2a01:4f8:221:11cd:9734:4c26:6044:5f332017-04-06 → 2026-04-20 · 3 obs
● 2017-04-06 01:34:16
● 2026-04-20 11:01:30
○A80.150.6.1432008-03-17 → 2008-03-17 · 3 obs
○ 2015-10-10 14:10:08
○ 2026-04-20 11:01:30
●A88.99.101.2512017-04-06 → 2026-04-20 · 3 obs
● 2017-04-06 01:34:16
● 2026-04-20 11:01:30
🔍 DNS Trace
Analysis
Mail Server Role
For sfr-online.com, the mail server is sfr-online.com.
IP Addresses
sfr-online.com resolves to two IP numbers: 2a01:4f8:221:11cd:9734:4c26:6044:5f33 and 88.99.101.251.
other host names including sportkommentator.com, gebrauchtteile24.at, yaskawa.eu, worldwide-selection.at and dieersten.eu share IP numbers with sfr-online.com.
Name Servers
sfr-online.com is delegated to two name servers ns2.checkdomain.de and ns.checkdomain.de.
sfr-online.com shares the same name server setup as other domains, for instance free-your-soul.com, phys-tec.com, jsob.org, edutech.eu and cuore.at.
sfr-online.com at least partially shares name servers with other domains, for instance evangelische-termine.de.
Host names with two IP numbers:
The host name ns2.checkdomain.de points to 2a01:4f8:2b02:a88::106 and 5.9.190.98; the host name ns.checkdomain.de points to 2a02:2b80:101:5000::9 and 109.237.143.11.
Mail Servers
sfr-online.com is served by a single mail server, sfr-online.com.
sfr-online.com resolves to two IP numbers: 2a01:4f8:221:11cd:9734:4c26:6044:5f33 and 88.99.101.251.