cortland.dk DNS records

🖥️ Nameservers5 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.gigahost.dk	46.183.139.31	ns1.gigahost.dk	AS47292 Sentia Denmark A/S
ns2.gigahost.dk	46.183.139.222	web22.gigahost.dk	AS47292 Sentia Denmark A/S
ns3.gigahost.dk	71.19.249.71	ns3.gigahost.dk	AS11831 eSecureData
ns4.gigahost.dk	51.79.215.130	ns4.gigahost.dk	AS16276 OVH SAS
ns5.gigahost.dk	77.74.192.83	ns5.gigahost.dk	AS42831 UK Dedicated Servers Limited

🌍 A Records1 records 276ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.116.232.215	3599s	215.giga-ptr.232.116.217.in-addr.arpa web15.gigahost.dk	AS47292	Sentia Denmark A/S	217.116.224.0/20	🇩🇰 Denmark	—

📧 MX Records3 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S
10	3600s	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S
10	3600s	mx3.gigahost.dk	46.183.139.13	mx3.gigahost.dk	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	cortland.dk → 217.116.232.215
🔶 Autoconfig	cortland.dk → 217.116.232.215

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 207ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	autodiscover.gigahost.dk

📝 TXT Records

📝

No TXT records found

✉️ 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.cortland.dk	cortland.dk

🔗 TLSA / DANE

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

🔐 DNSSEC294ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026082701
Primary NS (MNAME)	ns1.gigahost.dk
Responsible (RNAME)	hostmaster@cortland.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

43ms

A

276ms

MX

30ms

AAAA

31ms

TXT

288ms

CAA

30ms

HTTPS

278ms

TLSA

75ms

SOA

0ms

MTA-STS

68ms

DNSSEC

294ms

SRV

207ms

Total

811ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 01:04:20	811ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-25 18:55:15	9589ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-20 03:29:27	2419ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-15 06:51:43	3917ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-06 13:45:32	1102ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-23 10:39:28	5051ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-16 20:16:15	8893ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-09 06:20:55	9049ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-03 11:56:55	5889ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-26 05:07:35	919ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-20 22:17:50	1082ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-16 22:51:42	1820ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-16 22:30:16	854ms	5 NS 1 A 3 MX	🔓 Insecure	View