cosma.dk

Records from scan: 2026-10-02 22:52:21 · 1502ms total · last checked 2026-10-16 16:07 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cosma.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 February 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.12 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by cosma-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 48ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.12	3600s	webcluster1.webpod12-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cosma-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::c 2a01:111:f403:ca09::22 2a01:111:f403:ca3c::a 52.101.209.153 52.101.209.31 52.101.73.126 52.101.91.153	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-matpr04cu00101.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

1 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10a:64:5cdd:d4c7:ad06	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 92ms

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

📝 TXT Records#

2 records 153ms

TXT Record
MS=ms44254161
v=spf1 a mx include:spf.protection.outlook.com include:_custspf.one.com include:_spf.mlsend.com ~all

✉️ SPF#

Policy	Record (cosma.dk)
~all (soft fail)	v=spf1 a mx include:spf.protection.outlook.com include:_custspf.one.com include:_spf.mlsend.com ~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 2026-10-11 09:22:50

www	46.30.213.12 2a02:2350:5:10a:64:5cdd:d4c7:ad06 (AS51468) (address records, no CNAME)
www vs bare domain	Same network cosma.dk: 46.30.213.12 2a02:2350:5:10a:64:5cdd:d4c7:ad06 (AS51468) www.cosma.dk: 46.30.213.12 2a02:2350:5:10a:64:5cdd:d4c7:ad06 (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
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#

124ms

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

🏷️ SOA#

39ms

Field	Value
Serial	2026100201
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-02 23:14:31

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-02-05
Expires	2027-01-31 (106d)

📋 WHOIS#

⏱️ Lookup Timing#

48ms

37ms

34ms

AAAA

34ms

TXT

153ms

CAA

42ms

HTTPS

46ms

TLSA

810ms

SOA

39ms

MTA-STS

51ms

DNSSEC

124ms

SRV

92ms

Total

1502ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 22:52:21 shown	1502ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 22:34:55	1285ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-08 04:44:16	1607ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-22 11:25:58	1722ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-03 17:11:46	9241ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 12:57:10	1209ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 23:23:59	3246ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 22:56:06	1742ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 22:31:20	675ms	2 NS 1 A 1 MX	🔒 Secure