bibliotekar.dk is a .dk domain served by 2 nameservers (rachel.ns.cloudflare.com, west.ns.cloudflare.com). It was registered on 18 August 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.7.212 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.hostinger.dk, mx2.hostinger.dk. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 104.21.7.212 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.188.9 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | 300s | mx1.hostinger.dk | 172.65.182.103 2606:4700:90:0:c1f8:f874:2386:b61f |
— — |
AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. |
| 10 | 300s | mx2.hostinger.dk | 172.65.182.103 2606:4700:90:0:c1f8:f874:2386:b61f |
— — |
AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.7.212 |
| 🔶 Autoconfig | 172.67.188.9 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:bc09 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:7d4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.7.212,172.67.188.9 ech=AEX+DQBBVgAgACCx4fpTXpKJz+e39IvLsjCHwGfsH4XndBR/0VOU9W6IawAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:bc09,2606:4700:3036::6815:7d4 |
| TXT Record |
|---|
| google-site-verification=csHJ8OGsKk4hpcUzxySUYRCdjrWFSTS9rICCSnQvs5M |
| v=spf1 include:_spf.mail.hostinger.com ~all |
| Policy | Record (bibliotekar.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mail.hostinger.com ~all |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | globalsign.com |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog; cansignhttpexchanges=yes |
| 0 | issue | sectigo.com |
| 0 | issue | ssl.com |
| 0 | issuewild | comodoca.com |
| 0 | issuewild | digicert.com; cansignhttpexchanges=yes |
| 0 | issuewild | globalsign.com |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | sectigo.com |
| 0 | issuewild | ssl.com |
| www | 104.21.7.212 172.67.188.9 2606:4700:3031::ac43:bc09 2606:4700:3036::6815:7d4 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network bibliotekar.dk: 104.21.7.212 172.67.188.9 2606:4700:3031::ac43:bc09 2606:4700:3036::6815:7d4 (AS13335) www.bibliotekar.dk: 104.21.7.212 172.67.188.9 2606:4700:3031::ac43:bc09 2606:4700:3036::6815:7d4 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 3/10 · policy: ~all
No problems found| 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 | 2417058817 |
| Primary NS (MNAME) | rachel.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Netsite A/S |
| Registered | 1998-08-18 |
| Expires | 2027-07-31 (287d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 21:00:41 shown | 687ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-30 13:39:37 | 838ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-01 23:44:26 | 935ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-28 03:30:56 | 874ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-23 08:38:10 | 2359ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-23 08:37:20 | 1702ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-20 16:34:29 | 11338ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-12 03:00:37 | 1722ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-24 15:23:22 | 3180ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-23 23:42:06 | 1182ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 01:02:49 | 1879ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-20 08:05:01 | 885ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-16 14:28:34 | 795ms | 2 NS 2 A 2 MX | 🔓 Insecure |