commu.dk

📜 Historical scan 2026-06-26 21:14:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

commu.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 14 August 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.155.240 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by commu-dk.mail.protection.outlook.com, ms68912446.msv1.invalid. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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.

🖥️ Nameservers#

2 records 32ms

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 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.240	300s	forward.dnsfactory.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

2 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	commu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::a 2a01:111:f403:ca04::d 2a01:111:f403:ca09::e 52.101.68.12 52.101.73.1 52.101.73.28 52.101.73.30	mail-db4pr02cu00307.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am7pr05cu00306.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
32767	3600s	ms68912446.msv1.invalid	—	—	—

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.152
🔶 Autoconfig	autoconfig-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 67ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 108ms

TXT Record
MS=ms80215038

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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#

latest probe, not this scan · checked 2026-10-07 20:12:23

www	93.191.155.240 (AS48854) (address records, no CNAME)
www vs bare domain	Same network commu.dk: 93.191.155.240 (AS48854) www.commu.dk: 93.191.155.240 (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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

101ms

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

🏷️ SOA#

42ms

Field	Value
Serial	2021111801
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 2026-10-09 22:50:30

Field	Value
Registrar	CURANET A/S
Registered	2008-08-14
Expires	2027-08-31 (313d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

30ms

38ms

AAAA

32ms

TXT

108ms

CAA

28ms

HTTPS

409ms

TLSA

228ms

SOA

42ms

MTA-STS

42ms

DNSSEC

101ms

SRV

67ms

Total

996ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 18:58:27	1101ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-02 03:54:15	732ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-26 21:14:56 shown	996ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-23 17:12:18	878ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 18:36:30	2982ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 21:55:38	4588ms	2 NS 1 A 2 MX	🔒 Secure