gc.dk DNS records

🖥️ Nameservers4 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.20.205.61	3600s	linux385.unoeuro.com	AS48854	team.blue Denmark A/S	185.20.204.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	gc-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca09::5 2a01:111:f403:ca09::b 2a01:111:f403:ca48::a 52.101.68.29 52.101.73.30 52.101.73.6 52.101.73.8	mail-db4pr02cu00307.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.56
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 77ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records2 records 199ms

TXT Record
MS=ms82168669
v=spf1 ip4:185.221.37.134 ip4:195.201.83.226 include:spf.azehosting.net ip4:78.46.96.236 +a +mx +ip4:138.201.239.158 +ip4:78.47.179.158 +ip4:85.218.179.41 +ip4:185.20.205.61 +include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (gc.dk)
~all (soft fail)	v=spf1 ip4:185.221.37.134 ip4:195.201.83.226 include:spf.azehosting.net ip4:78.46.96.236 +a +mx +ip4:138.201.239.158 +ip4:78.47.179.158 +ip4:85.218.179.41 +ip4:185.20.205.61 +include:spf.protection.outlook.com ~all

📨 DMARC

Policy	Record (_dmarc.gc.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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)

🔐 DNSSEC90ms

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

🏷️ SOA0ms

Field	Value
Serial	2025042300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

52ms

A

33ms

MX

39ms

AAAA

45ms

TXT

199ms

CAA

54ms

HTTPS

53ms

TLSA

178ms

SOA

0ms

MTA-STS

57ms

DNSSEC

90ms

SRV

77ms

Total

914ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 21:59:28	914ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 18:57:45	607ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 09:35:52	802ms	4 NS 1 A 1 MX	🔒 Secure	View