danskegymnasier.dk DNS records

🖥️ Nameservers2 records 62ms

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 Records1 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.217.247	3600s	vps3.simpledigital.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	danskegymnasier-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::6 2a01:111:f403:ca09::8 2a01:111:f403:ca48::8 52.101.68.15 52.101.68.27 52.101.73.19 52.101.73.4	mail-du2pr03cu00102.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-as8pr04cu00803.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 85ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 200ms

TXT Record
SkA/o9oLVq39Fo1nUbYKbWaq4kxWnzDRtQ4yHYh1c4gl25CyORcSSvQNbTPQHI6NyntqaHxS2eBDJNR7HUTyAQ==
v=spf1 a:itcpostfix02out.itcfyn.dk a:danskegymnasier.dk include:spf.protection.outlook.com include:servers.mcsv.net -all

✉️ SPF

Policy	Record (danskegymnasier.dk)
-all (hard fail)	v=spf1 a:itcpostfix02out.itcfyn.dk a:danskegymnasier.dk include:spf.protection.outlook.com include:servers.mcsv.net -all

📨 DMARC

Policy	Record (_dmarc.danskegymnasier.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email,mailto:dmarc@itcfyn.dk;

📬 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)

🔐 DNSSEC76ms

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

🏷️ SOA28ms

Field	Value
Serial	2026032502
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

62ms

A

51ms

MX

33ms

AAAA

34ms

TXT

200ms

CAA

53ms

HTTPS

49ms

TLSA

1066ms

SOA

28ms

MTA-STS

83ms

DNSSEC

76ms

SRV

85ms

Total

6193ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-22 20:13:21	6193ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 21:08:29	1106ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 00:33:38	1168ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 00:35:11	792ms	2 NS 1 A 1 MX	🔒 Secure	View