bigbear.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 November 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.33.107.235 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by mail.bigbear.dk. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 77.33.107.235 | 600s | 77.33.107.235.dhcp.fibianet.dk | AS44869 | FIBIA P/S | 77.33.0.0/16 | 🇩🇰 Denmark | Vejle |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mail.bigbear.dk | 2a04:3544:1000:1510:681a:4eff:feb6:3f2f 94.237.111.86 |
ipv6.srv005840.cloudip.dk ipv4.srv005840.cloudip.dk |
AS202053 UpCloud Ltd AS202053 UpCloud Ltd |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 77.33.107.235 |
| 🔶 Autoconfig | 77.33.107.235 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2001:470:786d::4 | 600s | — | AS6939 | Hurricane Electric LLC | 2001:470:4000:0:0:0:0:0/34 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 a mx ~all |
| Policy | Record (bigbear.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ~all |
| Policy | Record (_dmarc.bigbear.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;rua=mailto:dmarc@bigbear.dk |
| www | 77.33.107.235 2001:470:786d::4 (AS6939 AS44869) (address records, no CNAME) |
| www vs bare domain | Same network bigbear.dk: 77.33.107.235 2001:470:786d::4 (AS6939 AS44869) www.bigbear.dk: 77.33.107.235 2001:470:786d::4 (AS6939 AS44869) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
| — | 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: 2/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.bigbear.dk | DANE-EE · SPKI · SHA-256 | F08096F5104F63A1DE940BB7FAC14E76… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101101 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2000-11-10 |
| Expires | 2030-12-31 (1535d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 04:32:45 shown | 2913ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 21:29:50 | 423ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 20:58:19 | 838ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 18:59:44 | 1222ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 16:05:08 | 2293ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 19:08:41 | 24624ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 22:54:20 | 4943ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 14:16:15 | 1145ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 05:07:31 | 6676ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 14:29:57 | 516ms | 2 NS 1 A 1 MX | 🔒 Secure |