barnetsbog.dk is a .dk domain served by 2 nameservers (elisabeth.ns.cloudflare.com, kyle.ns.cloudflare.com). It was registered on 2 March 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.72.23.107 is hosted by Cibicom A/S (AS3342) in Denmark. Mail is handled by barnetsbog-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 178.72.23.107 | 300s | — | AS3342 | Cibicom A/S | 178.72.16.0/21 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5610 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms46700306 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (barnetsbog.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.barnetsbog.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:e07ec42c5b4849919305279afc1b5157@dmarc-reports.cloudflare.net |
| www | 178.72.23.107 (AS3342) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 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: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.barnetsbog.dk | ntxXw_jNtj578duTmaczXwV4rrfu54U02QyoYwjYlHU |
| TXT | _acme-challenge.barnetsbog.dk | qQEb2aGmqTvR2YmqW8mU49mo96py-BaQ-1K790sNtaM |
| 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 | 2416108835 |
| Primary NS (MNAME) | elisabeth.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1999-03-02 |
| Expires | 2027-03-31 (164d) |
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 |
|---|---|---|---|
| 2026-10-17 23:50:45 | 1978ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-05 14:40:28 | 1531ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 14:29:25 | 1317ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 14:23:46 shown | 1404ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 12:59:52 | 3892ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-03 03:12:22 | 1660ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-29 16:32:19 | 1976ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 10:31:30 | 1087ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-20 19:06:19 | 9318ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-07 15:59:20 | 1127ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-01 23:12:47 | 1649ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 14:15:22 | 1045ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 03:14:26 | 1628ms | 2 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-16 14:07:12 | 818ms | 2 NS 1 A 1 MX | 🔓 Insecure |