sertecma.com - dns.ninja
sertecma.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:238:20a:202:1088::🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| A | 81.169.145.88🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| NS | docks16.rzone.de ⭐ | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:16🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | docks16.rzone.de | ||||||
| A | 217.160.80.143🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | docks16.rzone.de | ||||||
| NS | shades08.rzone.de | ||||||
| A | 2607:f1c0:fe:53:185:132:34:135🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | shades08.rzone.de | ||||||
| A | 185.132.34.135🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | shades08.rzone.de | ||||||
| MX | smtp.rzone.de ⭐ | ||||||
| A | 2a01:238:20a:202:50f0::2097🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| PTR | smtp.rzone.de | ||||||
| A | 81.169.145.98🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| PTR | smtp.rzone.de | ||||||
| SOA | docks16.rzone.dehostmaster@strato-rz.de 2020-06-04 #25 | ||||||
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=1781786775 | ||||||
Subdomains
maildefer.sertecma.com |
Same first word
sertecma.com |
Similar names
DNS History
5 records (5 active, 0 former)
●A2a01:238:20a:202:1088::2015-06-16 → 2026-06-18 · 2 obs
● 2026-06-18 13:04:04
●A81.169.145.882015-06-16 → 2026-06-18 · 2 obs
● 2026-06-18 13:04:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sertecma.com | shades08.rzone.de, docks16.rzone.de | - |
✅ Authoritative Response
Server:185.132.34.135
NS records: shades08.rzone.de, docks16.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sertecma.com (unsigned zone)
⏱️ Timing
Total: 509ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.169.145.88 |
| AAAA | 1 | 2a01:238:20a:202:1088:: |
| NS | 2 | docks16.rzone.de, shades08.rzone.de |
| MX | 1 | smtp.rzone.de (pri: 5) |
| SOA | 1 | docks16.rzone.de hostmaster.strato-rz.de |
Analysis
Hierarchy
maildefer.sertecma.com is a subdomain of sertecma.com.
IP Addresses
sertecma.com has two IP addresses: 81.169.145.88 and 2a01:238:20a:202:1088::
Two other host names, along with blaschke.email, hierlebenwir.de and rakm.de, also share IP numbers with sertecma.com.
Name Servers
sertecma.com is served by two delegated name servers, docks16.rzone.de and shades08.rzone.de.
sertecma.com shares its NS records with other domains, for example abitbol.eu, chorverband-polizei.de, dellacher.com and two others.
The name servers of sertecma.com overlap at least partially with those of other domains — among them mailde.nl, bier-schneider.net, winkelinzicht.nl and two more.
These name servers commonly appear in delegations together with shades15.rzone.de, docks08.rzone.de, docks06.rzone.de and 7 other.
Each of the two host names carries two IP addresses: docks16.rzone.de points to 217.160.80.143 and 2001:8d8:fe:53:5747:2a74:d:16, and shades08.rzone.de points to 185.132.34.135 and 2607:f1c0:fe:53:185:132:34:135.
Mail Servers
The sole mail server for sertecma.com is smtp.rzone.de.
Among the domains sharing a mail server setup with sertecma.com are imssolar.com, rollernet.frankster.nl, saint-pompon.com and two others.
smtp.rzone.de resolves to two IP numbers — 81.169.145.98 and 2a01:238:20a:202:50f0::2097.