karlstein.nu - robtex.com
karlstein.nu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 93.191.156.42🇩🇰 team-blue-denmark93.191.152.0/21 ZITCOM A/S | ||||||
| PTR | linux188.unoeuro.com | ||||||
| NS | ns1.simply.com ⭐ | ||||||
| A | 2a02:2339:1:15c::4562:4562🇩🇰 team-blue-denmark2a02:2339::/36 | ||||||
| PTR | ns1.simply.com | ||||||
| A | 91.197.248.78🇩🇰 team-blue-denmark91.197.248.0/22 | ||||||
| PTR | ns1.simply.com | ||||||
| NS | ns2.simply.com | ||||||
| A | 2a02:2339:4006:101::4562:4562🇩🇰 team-blue-denmark2a02:2339:4000::/34 | ||||||
| PTR | ns2.simply.com | ||||||
| A | 185.25.141.15🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S | ||||||
| PTR | ns2.simply.com | ||||||
| NS | ns3.simply.com | ||||||
| A | 91.197.248.79🇩🇰 team-blue-denmark91.197.248.0/22 | ||||||
| PTR | ns3.simply.com | ||||||
| NS | ns4.simply.com | ||||||
| A | 91.197.248.80🇩🇰 team-blue-denmark91.197.248.0/22 | ||||||
| PTR | ns4.simply.com | ||||||
| MX | mx.simply.com ⭐ | ||||||
| A | 94.231.106.20🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S | ||||||
| PTR | mx.simply.com | ||||||
| TXT | v=spf1 include:spf.simply.com ?all | ||||||
| SOA | ns1.simply.comhostmaster@simply.com 2025-04-23 #0 | ||||||
nu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | catcher-in-the-rye.nic.nu ⭐ | ||||||
| NS | a.ns.nu | ||||||
| NS | c.ns.nu | ||||||
| NS | d.ns.nu | ||||||
| NS | m.ns.nu | ||||||
| NS | y.ns.nu | ||||||
| NS | z.ns.nu | ||||||
| TXT | NU zone update: 2026-08-07 17:49:00 +0000 (EPOCH 1786124940) (auto) | ||||||
| TXT | id:ec00ea01-fc9d-4d12-b0f7-718ecbf69c0d | ||||||
| SOA | catcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1786124988 | ||||||
Same first word
Similar names
DNS History
11 records (6 active, 5 former)
●NSns1.simply.com2026-06-08 → 2026-08-07 · 3 obs
● 2026-06-08 03:11:30
● 2026-08-07 18:12:28
○NSns1.surf-town.net2015-08-17 → 2019-04-03 · 4 obs
● 2019-04-03 12:31:26
○ 2026-06-08 03:11:30
○ 2026-08-07 18:12:28
●NSns2.simply.com2026-06-08 → 2026-08-07 · 3 obs
● 2026-06-08 03:11:30
● 2026-08-07 18:12:28
○NSns2.surf-town.net2015-08-17 → 2019-04-03 · 4 obs
● 2019-04-03 12:31:26
○ 2026-06-08 03:11:30
○ 2026-08-07 18:12:28
●NSns3.simply.com2026-06-08 → 2026-08-07 · 3 obs
● 2026-06-08 03:11:30
● 2026-08-07 18:12:28
○NSns3.surf-town.net2015-08-17 → 2019-04-03 · 4 obs
● 2019-04-03 12:31:26
○ 2026-06-08 03:11:30
○ 2026-08-07 18:12:28
●NSns4.simply.com2026-06-08 → 2026-08-07 · 3 obs
● 2026-06-08 03:11:30
● 2026-08-07 18:12:28
○MXmail14.surftown.se2015-08-17 → 2019-04-03 · 4 obs
● 2019-04-03 12:31:26
○ 2026-06-08 03:11:30
○ 2026-08-07 18:12:28
●MXmx.simply.com2026-06-08 → 2026-08-07 · 3 obs
● 2026-06-08 03:11:30
● 2026-08-07 18:12:28
○A212.97.132.1462015-08-17 → 2019-04-03 · 4 obs
● 2019-04-03 12:31:26
○ 2026-06-08 03:11:30
○ 2026-08-07 18:12:28
●A93.191.156.422026-06-08 → 2026-08-07 · 3 obs
● 2026-06-08 03:11:30
● 2026-08-07 18:12:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | m.ns.nu, z.ns.nu, c.ns.nu, d.ns.nu... | 12 records |
| karlstein.nu | ns2.simply.com, ns1.simply.com, ns4.simply.com, ns3.simply.com | - |
✅ Authoritative Response
Server:91.197.248.79
NS records: ns2.simply.com, ns1.simply.com, ns4.simply.com, ns3.simply.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2300ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 93.191.156.42 |
| NS | 4 | ns4.simply.com, ns2.simply.com... |
| MX | 1 | mx.simply.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.simply.com ?all |
| SOA | 1 | ns1.simply.com hostmaster.simply.com |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (m.ns.nu, m.ns.nu, z.ns.nu...)
Analysis
IP Addresses
karlstein.nu points to a single IP number: 93.191.156.42.
Additional host names — enodden.dk, thorning.com, kollerhus.dk and two others — share IP numbers with karlstein.nu.
Name Servers
karlstein.nu has four authoritative name servers: ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.
karlstein.nu partially shares its NS delegation with several other domains, including spliff.dk, habakuk.dk, sportswearofsweden.com and two others.
These name servers often co-occur with the name servers ns1.unoeuro.com.
Host names with two IP numbers:
ns1.simply.com resolves to two addresses: 91.197.248.78 and 2a02:2339:1:15c::4562:4562.
ns2.simply.com resolves to two addresses: 185.25.141.15 and 2a02:2339:4006:101::4562:4562.
Host names pointing to a single IP address:
The hostname ns3.simply.com resolves to 91.197.248.79.
The hostname ns4.simply.com resolves to 91.197.248.80.
Mail Servers
karlstein.nu has one mail server: mx.simply.com.
karlstein.nu shares the same mail server setup as other domains, including auto-gyro.dk, naturhonning.dk, brasgaard.com and two others.
karlstein.nu partially shares its mail servers with other domains, darling.dk and takeoffcph.dk being examples.
mx.simply.com carries a single IP number, which is 94.231.106.20.