ghg.dk DNS records

🖥️ Nameservers3 records 64ms

Nameserver	IP addresses	PTR	ASN / ISP
mimer.deic.dk	2001:87f:ff27:65::66 95.128.27.66	mimer.deic.dk mimer.deic.dk	AS198455 Danmarks Tekniske Universitet AS198455 Danmarks Tekniske Universitet
ns-soa.darenet.dk	130.226.179.50 2001:878:0:e000:82:e2:b3:32	ns-soa.darenet.dk ns-soa.darenet.dk	AS1835 IDDQD-AS AS1835 IDDQD-AS
orion.i2.dk	78.153.182.90	orion.i2.dk	AS31027 GlobalConnect A/S

🌍 A Records1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.72.21.120	3600s	—	AS3342	Cibicom A/S	178.72.16.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	ghg-dk.mail.eo.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::d 2a01:111:f403:ca04::f 2a01:111:f403:ca48::c 52.101.68.21 52.101.68.25 52.101.73.2 52.101.73.4	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 514ms

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

📝 TXT Records4 records 566ms

TXT Record
apple-domain-verification=MYfW2ToStwqScCEw
inst=Gl. Hellerup Gymnasium
SOA=1777553912
v=spf1 include:spf.protection.outlook.com include:heidi.itkartellet.dk include:spfinclude.signflow.dk -all

✉️ SPF

Policy	Record (ghg.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:heidi.itkartellet.dk include:spfinclude.signflow.dk -all

📨 DMARC

Policy	Record (_dmarc.ghg.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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)

🔐 DNSSEC138ms

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	1777553912
Primary NS (MNAME)	mimer.deic.dk
Responsible (RNAME)	dns@support.i2.dk
Refresh	16384s
Retry	2048s
Expire	2097152s
Minimum (neg-cache TTL)	2560s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

64ms

A

41ms

MX

58ms

AAAA

38ms

TXT

566ms

CAA

41ms

HTTPS

37ms

TLSA

4031ms

SOA

0ms

MTA-STS

712ms

DNSSEC

138ms

SRV

514ms

Total

5272ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 05:59:42	5272ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 22:18:46	4843ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-22 01:29:27	1102ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 09:27:35	1033ms	3 NS 1 A 1 MX	🔓 Insecure	View