sibberns.dk is a .dk domain served by 2 nameservers (ns1.loopiagroup.com, ns2.loopiagroup.com). It was registered on 18 May 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 109.235.174.18 is hosted by Loopia AB (AS41528) in Sweden. Mail is handled by mail.sibberns.dk, mail2.sibberns.dk. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 109.235.174.18 | 7200s | ing.r103.websupport.se | AS41528 | Loopia AB | 109.235.174.0/23 | 🇸🇪 Sweden | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 7200s | mail.sibberns.dk | 109.235.175.21 2a00:1968:0:4000:109:235:175:22 |
mx.m101.websupport.se mx.m101.websupport.se |
AS41528 Loopia AB AS41528 Loopia AB |
| 20 | 7200s | mail2.sibberns.dk | 109.235.175.22 2a00:1968:0:4000:109:235:175:22 |
mx.m101.websupport.se mx.m101.websupport.se |
AS41528 Loopia AB AS41528 Loopia AB |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | web.prod.bts.websupport.sk → 37.9.169.172 |
| 🔶 Autoconfig | web.prod.bts.websupport.sk → 37.9.169.172 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a00:1968:0:1:109:235:174:19 | 7200s | — | AS41528 | Loopia AB | 2a00:1968:0:0:0:0:0:0/48 | 🇸🇪 Sweden | — |
| TXT Record |
|---|
| v=spf1 mx ip4:77.232.64.0/19 include:_spf.m101.websupport.se +all |
| Policy | Record (sibberns.dk) |
|---|---|
| +all (no restriction) | v=spf1 mx ip4:77.232.64.0/19 include:_spf.m101.websupport.se +all |
| www | 109.235.174.18 2a00:1968:0:1:109:235:174:19 (AS41528) (address records, no CNAME) |
| www vs bare domain | Same network sibberns.dk: 109.235.174.18 2a00:1968:0:1:109:235:174:19 (AS41528) www.sibberns.dk: 109.235.174.18 2a00:1968:0:1:109:235:174:19 (AS41528) |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 3/10 · policy: +all
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 1781749052 |
| Primary NS (MNAME) | ns1.loopiagroup.com |
| Responsible (RNAME) | dnsadmin@loopiagroup.com |
| Refresh | 7200s |
| Retry | 2048s |
| Expire | 1048576s |
| Minimum (neg-cache TTL) | 2560s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2006-05-18 |
| Expires | 2027-05-31 (223d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 20:40:34 | 886ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-30 02:31:15 | 964ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-26 04:48:16 | 897ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-14 12:20:11 | 1255ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-28 00:11:20 | 975ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-26 20:03:32 | 2927ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-18 09:49:26 | 1224ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-25 20:24:38 shown | 5934ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-20 03:34:51 | 782ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-18 04:39:37 | 731ms | 2 NS 1 A 2 MX | 🔓 Insecure |