mark-opt.com - robtex.com
mark-opt.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 178.20.102.45🇩🇪 ONE-NETWORK178.20.102.0/24 | ||||||
| PTR | srv17.schwarzkuenstler.info | ||||||
| NS | ns1.skdnsreg.net ⭐ | ||||||
| A | 2a02:4c00:0:8000::5🇩🇪 NCORE-AS2a02:4c00::/40 HKN GmbH Am Rheintor 7 D-47829 Krefeld Germany | ||||||
| PTR | odin.dnsnodes.eu | ||||||
| A | 213.9.14.107🇩🇪 NCORE-AS213.9.0.0/17 HKN GmbH Hochstadenstr. 5 D-47829 Krefeld Germany | ||||||
| NS | ns2.skdnsreg.net | ||||||
| A | 2a02:20a8:a000:4::2🇩🇪 Equinix2a02:20a8::/32 Frankfurt | ||||||
| PTR | frigg.dnsnodes.com | ||||||
| A | 217.79.214.245🇩🇪 Equinix217.79.208.0/20 Frankfurt | ||||||
| NS | ns3.skdnsreg.net | ||||||
| A | 2a02:20a8:a000:4::53🇩🇪 Equinix2a02:20a8::/32 Frankfurt | ||||||
| PTR | thor.dnsnodes.eu | ||||||
| A | 217.79.214.253🇩🇪 Equinix217.79.208.0/20 Frankfurt | ||||||
| MX | mark-opt.com ⭐ | ||||||
| A | 178.20.102.45🇩🇪 ONE-NETWORK178.20.102.0/24 | ||||||
| PTR | srv17.schwarzkuenstler.info | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | ns1.skdnsreg.nethostmaster@skdnsreg.net 2024-04-02 #2 | ||||||
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=1771291435 | ||||||
MX for
mark-opt.com |
Same first word
mark-opt.com |
Similar names
topm-ark.com |
part-kom.ru |
tom-park.com |
part-kom.com |
komp-art.com |
m-prokat.ru |
kom-part.pl |
top-mark.com |
atom-rpk.ru |
prokat-m.ru |
top-mark.com.cn |
DNS History
11 records (5 active, 6 former)
○NSns.namespace4you.de2015-06-01 → 2017-05-12 · 4 obs
● 2017-05-12 16:13:18
○ 2026-03-23 11:43:56
○ 2026-03-23 11:44:00
●NSns1.skdnsreg.net2026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 11:43:56
● 2026-03-23 11:44:00
○NSns2.namespace4you.de2015-06-01 → 2017-05-12 · 4 obs
● 2017-05-12 16:13:18
○ 2026-03-23 11:43:56
○ 2026-03-23 11:44:00
●NSns2.skdnsreg.net2026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 11:43:56
● 2026-03-23 11:44:00
●NSns3.skdnsreg.net2026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 11:43:56
● 2026-03-23 11:44:00
●MXmark-opt.com2026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 11:43:56
● 2026-03-23 11:44:00
○MXmxlb.ispgateway.de2015-06-01 → 2017-05-12 · 4 obs
● 2017-05-12 16:13:18
○ 2026-03-23 11:43:56
○ 2026-03-23 11:44:00
●A178.20.102.452026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 11:43:56
● 2026-03-23 11:44:00
○A2a00:1158:0:300:8518::12015-06-01 → 2016-04-08 · 4 obs
● 2016-04-08 15:52:46
○ 2016-11-20 07:59:46
○ 2026-03-23 11:44:00
○A2a00:1158:1000:300::3e22016-11-20 → 2017-05-12 · 5 obs
● 2016-11-20 07:59:46
● 2017-05-12 16:13:18
○ 2026-03-23 11:43:56
○ 2026-03-23 11:44:00
○A80.67.28.2262015-06-01 → 2017-05-12 · 4 obs
● 2017-05-12 16:13:18
○ 2026-03-23 11:43:56
○ 2026-03-23 11:44:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| mark-opt.com | ns1.skdnsreg.net, ns2.skdnsreg.net, ns3.skdnsreg.net | - |
✅ Authoritative Response
Server:217.79.214.253
NS records: ns1.skdnsreg.net, ns2.skdnsreg.net, ns3.skdnsreg.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mark-opt.com (unsigned zone)
⏱️ Timing
Total: 910ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 178.20.102.45 |
| NS | 3 | ns1.skdnsreg.net, ns2.skdnsreg.net... |
| MX | 1 | mark-opt.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ~all |
| SOA | 1 | ns1.skdnsreg.net hostmaster.skdnsreg.net |
Analysis
Mail Server Role
mark-opt.com serves as a mail server for mark-opt.com.
IP Addresses
mark-opt.com points to a single IP: 178.20.102.45.
Other host names, for instance bunte-kreise-deutschland.de, heilpraktikerin-inge-koch-marburg.de, medienzentrum-landsberg.de, faisalabadonline.de and analytics.a-five.de share IP numbers with mark-opt.com.
Name Servers
mark-opt.com is delegated to three name servers: ns1.skdnsreg.net, ns2.skdnsreg.net and ns3.skdnsreg.net.
mark-opt.com partially shares name servers with other domains; examples include heilmedium.de, sonar-ev.de, impulsmanagement.de, svr2.eu and rushmoon.com.
Host names with two IP numbers:
ns1.skdnsreg.net points to 2a02:4c00:0:8000::5 and 213.9.14.107.
ns2.skdnsreg.net points to 2a02:20a8:a000:4::2 and 217.79.214.245.
ns3.skdnsreg.net points to 2a02:20a8:a000:4::53 and 217.79.214.253.
Mail Servers
mark-opt.com is handled by a single mail server, mark-opt.com.
mark-opt.com points to a single IP: 178.20.102.45.