3173.dk

Records from scan: 2026-10-09 14:05:58 · 895ms total · last checked 2026-10-16 22:40 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3173.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 28 February 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.155.37 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by 3173-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 29ms

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 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.37	3600s	splash.zitcom.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 24ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	3173-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::22 2a01:111:f403:ca21::10 2a01:111:f403:ca3c::a 52.101.181.153 52.101.185.114 52.101.68.10 52.101.68.21	mail-dbapr03cu00100.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00205.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 → 52.98.149.136
🔶 Autoconfig	93.191.155.37

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 116ms

TXT Record
MS=CA8F98007CED0FBCAB3929E3175A713FE0389E96
v=spf1 a include:spf.protection.outlook.com include:spf.curanet.dk ~all

✉️ SPF#

Policy	Record (3173.dk)
~all (soft fail)	v=spf1 a include:spf.protection.outlook.com include:spf.curanet.dk ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 14:05:58

www	93.191.155.37 (AS48854) (address records, no CNAME)
www vs bare domain	Same network 3173.dk: 93.191.155.37 (AS48854) www.3173.dk: 93.191.155.37 (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: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

50ms

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

🏷️ SOA#

38ms

Field	Value
Serial	2026051204
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 14:57:54

Field	Value
Registrar	CURANET A/S
Registered	2020-02-28
Expires	2027-02-28 (134d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

29ms

26ms

24ms

AAAA

44ms

TXT

116ms

CAA

33ms

HTTPS

28ms

TLSA

581ms

SOA

38ms

MTA-STS

34ms

DNSSEC

50ms

SRV

47ms

Total

895ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 14:05:58 shown	895ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 18:02:53	770ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-03 15:26:42	2552ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 17:29:59	1278ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 13:15:00	1246ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 19:10:14	2485ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 09:15:16	950ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 12:48:13	782ms	2 NS 1 A 1 MX	🔒 Secure