co-sea.dk DNS records

🖥️ Nameservers2 records 35ms

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 Records1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
159.69.64.229	900s	srv1.seeems.dk	AS24940	Hetzner Online GmbH	159.69.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cosea-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca09::2 2a01:111:f403:ca09::3 2a01:111:f403:ca09::b 52.101.103.140 52.101.68.10 52.101.68.15 52.101.68.8	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-du0pr03cu00100.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 → 40.104.116.24
🔶 Autoconfig	159.69.64.229

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 57ms

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

📝 TXT Records2 records 130ms

TXT Record
MS=ms53278357
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (co-sea.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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

🔗 TLSA / DANE

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

🔐 DNSSEC85ms

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

🏷️ SOA0ms

Field	Value
Serial	2021111701
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

35ms

A

44ms

MX

37ms

AAAA

46ms

TXT

130ms

CAA

30ms

HTTPS

45ms

TLSA

597ms

SOA

0ms

MTA-STS

63ms

DNSSEC

85ms

SRV

57ms

Total

1078ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 09:59:15	1078ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 12:38:57	910ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 13:06:28	2672ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 23:26:08	65535ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:53:29	1904ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:31:37	933ms	2 NS 1 A 1 MX	🔒 Secure	View