bornfiber.dk is a .dk domain served by 4 nameservers (authns1.bornfiber.dk, authns2.bornfiber.dk, authns3.bornfiber.dk and 1 more). It was registered on 2 December 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.96.180.180 is hosted by BornFiber Service Provider ApS (AS24800) in Denmark. Mail is handled by eu-esec-01.heimdalsecurity.com, eu-esec-02.heimdalsecurity.com. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 185.96.180.180 | 43200s | webproxy1.sorthat.servers.bornfiber.dk | AS24800 | BornFiber Service Provider ApS | 185.96.180.0/22 | 🇩🇰 Denmark | Kongens Lyngby |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a00:4820:0:4:80::b | 3600s | — | AS24800 | BornFiber Service Provider ApS | 2a00:4820:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Rønne |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| 1zqwI2XdvVLhIX7XO121xyWPTyjeWJdCILMdxFY9EUTk9uNIcQ5NNlJG8sHM9It0lQslGP+0iF0OqSumDKIR7A== |
| apple-domain-verification=SRg6QN9QRfP9XCV7 |
| google-site-verification=StsWAbAzykgfguw4thet6HVxuDomQvqcmqdiWneAnS4 |
| MS=ms35519582 |
| MS=ms49044223 |
| slack-domain-verification=vnSMuHLwN5kM57UvJy9AjZcabpgvZJNioBOirhPb |
| v=spf1 a:rt.hq.bornfiber.dk a:smtp.hq.bornfiber.dk a:smallworld1.servers.bornfiber.dk include:servers.mcsv.net include:spf.protection.outlook.com include:trustpilotservice.com -all |
| Policy | Record (bornfiber.dk) |
|---|---|
| -all (hard fail) | v=spf1 a:rt.hq.bornfiber.dk a:smtp.hq.bornfiber.dk a:smallworld1.servers.bornfiber.dk include:servers.mcsv.net include:spf.protection.outlook.com include:trustpilotservice.com -all |
| Policy | Record (_dmarc.bornfiber.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:postmaster@bornfiber.dk |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:noc@bornfiber.dk |
| 0 | issue | letsencrypt.org |
| www | 185.96.180.180 2a00:4820:0:4:80::a (AS24800) (address records, no CNAME) |
| www vs bare domain | Same network bornfiber.dk: 185.96.180.180 2a00:4820:0:4:80::b (AS24800) www.bornfiber.dk: 185.96.180.180 2a00:4820:0:4:80::a (AS24800) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
| 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: 6/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.bornfiber.dk | bornfiber.dk.acme.bornfiber.dk |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.eu-esec-01.heimdalsecurity.com | DANE-EE · SPKI · SHA-256 | 2E8933DD6DB99304A5A9D5C4ECDE7B8E… |
| SMTP _25._tcp.eu-esec-02.heimdalsecurity.com | DANE-EE · SPKI · SHA-256 | 2E8933DD6DB99304A5A9D5C4ECDE7B8E… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100901 |
| Primary NS (MNAME) | authns1.bornfiber.dk |
| Responsible (RNAME) | hostmaster@bornfiber.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2014-12-02 |
| Expires | 2026-12-31 (74d) |
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).
| Domain | Registrar |
|---|---|
| bornfiberwifi.dk | Punktum dk A/S (direct) |
| zibrawireless.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 16:11:37 | 4220ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-10 11:15:30 shown | 712ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-05 21:45:36 | 562ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 20:20:23 | 2660ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-04 04:22:13 | 2012ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 22:37:32 | 10252ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-01 19:22:08 | 1855ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 17:41:20 | 7607ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 16:11:06 | 931ms | 4 NS 1 A 2 MX | 🔒 Secure |