irs-danmark.dk

Records from scan: 2026-10-07 19:59:56 · 529ms total · last checked 2026-10-16 16:55 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

irs-danmark.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 28 May 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.249.16 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx-01-eu-central-1.prod.hydra.sophos.com, mx-02-eu-central-1.prod.hydra.sophos.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#

2 records 25ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.237.249.16	3600s	splash.curanet.dk	AS48854	team.blue Denmark A/S	212.237.248.0/23	🇩🇰 Denmark	—

📧 MX Records#

2 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx-01-eu-central-1.prod.hydra.sophos.com	18.195.135.109 3.121.53.32	ec2-18-195-135-109.eu-central-1.compute.amazonaws.com ec2-3-121-53-32.eu-central-1.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	600s	mx-02-eu-central-1.prod.hydra.sophos.com	18.195.135.109 3.121.53.32	ec2-18-195-135-109.eu-central-1.compute.amazonaws.com ec2-3-121-53-32.eu-central-1.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	212.237.249.16
🔶 Autoconfig	212.237.249.16

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 121ms

TXT Record
MS=ms33274564
sophos-domain-verification=29d225e0d63837359fdf8933e0fb40b2ab6a5be7
v=spf1 include:spf.protection.outlook.com include:spf.eu.exclaimer.net include:spf-esec.heimdalsecurity.com include:spf.myconnectwise.net include:smtproute.dk ip4:195.215.13.192/27 include:_spf_eucentral1.prod.hydra.sophos.com -all

✉️ SPF#

Policy	Record (irs-danmark.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.eu.exclaimer.net include:spf-esec.heimdalsecurity.com include:spf.myconnectwise.net include:smtproute.dk ip4:195.215.13.192/27 include:_spf_eucentral1.prod.hydra.sophos.com -all

📨 DMARC#

Policy	Record (_dmarc.irs-danmark.dk)
p=quarantine	v=DMARC1;p=quarantine;

📬 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 2026-10-07 19:59:56

www	212.237.249.16 (AS48854) (address records, no CNAME)
www vs bare domain	Same network irs-danmark.dk: 212.237.249.16 (AS48854) www.irs-danmark.dk: 212.237.249.16 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

60ms

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

🏷️ SOA#

30ms

Field	Value
Serial	2025102701
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-16 21:13:49

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-05-28
Expires	2027-05-27 (222d)

🔗 Same registrant#

3 domains

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
faelgerep.dk	Punktum dk A/S (direct)
irs-denmark.dk	Punktum dk A/S (direct)
irs-fastlane.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

25ms

31ms

42ms

AAAA

31ms

TXT

121ms

CAA

37ms

HTTPS

35ms

TLSA

101ms

SOA

30ms

MTA-STS

39ms

DNSSEC

60ms

SRV

53ms

Total

529ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 19:59:56 shown	529ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-22 15:57:28	682ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-05 20:33:52	16982ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-22 17:03:03	2710ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 23:20:15	738ms	2 NS 1 A 2 MX	🔒 Secure