biir.dk

Records from scan: 2026-10-09 11:00:19 · 1261ms total · last checked 2026-10-18 21:57 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

biir.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 1 April 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.224 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by biir-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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.

🖥️ Nameservers#

4 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.224	3600s	linux318.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	biir-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca21::c 2a01:111:f403:ca48::12 2a01:111:f403:ca48::a 52.101.209.153 52.101.68.12 52.101.73.120 52.101.91.159	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am7pr02cu00300.inbound.protection.outlook.com mail-matpr04cu00207.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 76ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

4 records 144ms

TXT Record
MS=ms17599123
MS=ms46738275
MS=ms64000101
v=spf1 include:spf.protection.outlook.com include:spf.eu.signature365.net -all

✉️ SPF#

Policy	Record (biir.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.eu.signature365.net -all

📨 DMARC#

Policy	Record (_dmarc.biir.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

checked 2026-10-09 11:00:19

www	93.191.156.224 (AS48854) (address records, no CNAME)
www vs bare domain	Same network biir.dk: 93.191.156.224 (AS48854) www.biir.dk: 93.191.156.224 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-biir-dk._domainkey.eltronic.onmicrosoft.com	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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

76ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

30ms

Field	Value
Serial	2026100100
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-07 15:01:14

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2008-04-01
Expires	2027-04-30 (193d)

📋 WHOIS#

⏱️ Lookup Timing#

47ms

42ms

26ms

AAAA

49ms

TXT

144ms

CAA

39ms

HTTPS

39ms

TLSA

731ms

SOA

30ms

MTA-STS

37ms

DNSSEC

76ms

SRV

76ms

Total

1261ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 11:00:19 shown	1261ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 04:58:11	843ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-26 11:49:38	2036ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-14 02:55:57	752ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-28 06:03:26	1052ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-20 03:19:42	818ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 14:30:46	572ms	4 NS 1 A 1 MX	🔒 Secure