sip-center.com - robtex.com
sip-center.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 10.0.0.0 | ||||||
| NS | ns2.portunity.de ⭐ | ||||||
| A | 2a02:a00:f::a2🇩🇪 PORTUNITY-AS2a02:a00:f::/48 Portunity GmbH | ||||||
| PTR | ns2.portunity.de | ||||||
| A | 188.246.0.33🇩🇪 PORTUNITY-AS188.246.0.0/24 Portunity GmbH | ||||||
| PTR | ns2.portunity.de | ||||||
| NS | ns.portunity.de | ||||||
| A | 2a02:a00::a1🇩🇪 PORTUNITY-AS2a02:a00::/34 Portunity GmbH | ||||||
| PTR | ns.portunity.de | ||||||
| A | 217.144.128.33🇩🇪 PORTUNITY-AS217.144.128.0/24 Portunity GmbH | ||||||
| PTR | ns.portunity.de | ||||||
| MX | smtp-in.portunity.de ⭐ | ||||||
| A | 2a02:a00::2:0:0:52🇩🇪 PORTUNITY-AS2a02:a00::/34 Portunity GmbH | ||||||
| PTR | smtp-in.portunity.de | ||||||
| A | 217.144.128.52🇩🇪 PORTUNITY-AS217.144.128.0/24 Portunity GmbH | ||||||
| PTR | smtp-in.portunity.de | ||||||
| SOA | ns.portunity.dehostmaster@portunity.de serial=1710232022 | ||||||
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=1775935282 | ||||||
Same first word
sip-center.com |
sip-center.ru |
sip-center.de |
sip-center.net |
Similar names
DNS History
5 records (4 active, 1 former)
○NSlocalhost2015-05-11 → 2017-03-23 · 4 obs
● 2017-03-23 20:58:02
○ 2026-02-14 22:16:50
○ 2026-04-11 19:39:24
●NSns.portunity.de2015-05-11 → 2026-04-11 · 2 obs
● 2026-04-11 19:39:24
●NSns2.portunity.de2015-05-11 → 2026-04-11 · 2 obs
● 2026-04-11 19:39:24
●MXsmtp-in.portunity.de2015-05-11 → 2026-04-11 · 2 obs
● 2026-04-11 19:39:24
●A10.0.0.02015-05-11 → 2026-04-11 · 2 obs
● 2026-04-11 19:39:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sip-center.com | ns2.portunity.de, ns.portunity.de | - |
✅ Authoritative Response
Server:217.144.128.33
NS records: ns2.portunity.de, ns.portunity.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sip-center.com (unsigned zone)
⏱️ Timing
Total: 598ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 10.0.0.0 |
| NS | 2 | ns.portunity.de, ns2.portunity.de |
| MX | 1 | smtp-in.portunity.de (pri: 10) |
| SOA | 1 | ns.portunity.de hostmaster.portunity.de |
Analysis
IP Addresses
sip-center.com points to a single IP number: 10.0.0.0.
other host names for instance dns-monitoring-target.amazonaws.com, _dc-mx.247597a8134a.marylins.pt, siport.de, lila-tech.com and freepics18.de share IP numbers with sip-center.com.
Name Servers
sip-center.com is delegated to two name servers: ns2.portunity.de and ns.portunity.de.
sip-center.com shares the same name server setup as other domains, for example cilento.de, schadstoff-register.de, simpleportal.de, eventus-online.com and quickportal.de.
sip-center.com at least partially shares name servers with other domains, for instance ticketportal.eu, (0x6e756465)-gallery.eu, tierschutz.eu, isp-reselling.eu and phantasialand.de.
These name servers are often used with ns2.reetz-it.de and ns.reetz-it.de.
Host names with two IP numbers:
ns2.portunity.de points to 2a02:a00:f::a2 and 188.246.0.33
ns.portunity.de points to 2a02:a00::a1 and 217.144.128.33
Mail Servers
sip-center.com is handled by a single mail server, smtp-in.portunity.de.
sip-center.com shares the same mail server setup as other domains, for instance marilynmonroe.de, rechtsanwalt-grundmann-itzehoe.de, sipport.net, sip-port.org and xn--haustier-brse-rmb.de.
sip-center.com shares mail servers with other domains at least partially, including anrufbeantworter24.eu, madunia.com, reneual.eu, kto-check.de and stadtnetz-wuppertal.de.
these mail servers are often used with smtp-backup1.portunity.de and smtp-backup2.portunity.de.
Host smtp-in.portunity.de resolves to two IPs: 2a02:a00::2:0:0:52 and 217.144.128.52.