skoleelever.dk DNS records

🖥️ Nameservers2 records 48ms

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 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.135.42	600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—

📧 MX Records1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	skoleelever-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca09:: 2a01:111:f403:ca48::8 2a01:111:f403:ca48::c 52.101.68.21 52.101.68.3 52.101.68.39 52.101.73.8	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db7pr03cu00607.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 → 40.104.116.40
🔶 Autoconfig	162.159.135.42

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 76ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	10	5061	sipfed.online.lync.com

📝 TXT Records6 records 245ms

TXT Record
apple-domain-verification=t52Xr2vL5uDyEbRo
ca3-9d7b14c7f91a4d6fb90bc82fe15c7c90
google-site-verification=YHg67rlWLnsURbEe87ac9sqnv04j9aJjywy_Yg-Efw0
MS=ms92594129
v=spf1 a mx ip4:185.10.215.194 ip4:185.7.62.206 include:spf.protection.outlook.com include:servers.mcsv.net include:_custspf.one.com include:relay.kinstamailservice.com ~all
workplace-domain-verification=JaCmt3MXJSuyWJFqxrueFTYnHLGgMa

✉️ SPF

Policy	Record (skoleelever.dk)
~all (soft fail)	v=spf1 a mx ip4:185.10.215.194 ip4:185.7.62.206 include:spf.protection.outlook.com include:servers.mcsv.net include:_custspf.one.com include:relay.kinstamailservice.com ~all

📨 DMARC

Policy	Record (_dmarc.skoleelever.dk)
p=none (monitor only)	v=DMARC1; p=none; aspf=r; adkim=r

📬 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.skoleelever.dk	skoleelever.dk.kinstavalidation.app

🔗 TLSA / DANE

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

🔐 DNSSEC87ms

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

🏷️ SOA0ms

Field	Value
Serial	2026032401
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

48ms

A

48ms

MX

32ms

AAAA

46ms

TXT

245ms

CAA

42ms

HTTPS

54ms

TLSA

599ms

SOA

0ms

MTA-STS

74ms

DNSSEC

87ms

SRV

76ms

Total

1357ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 23:44:31	1357ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 17:00:13	1878ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 01:26:10	4704ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 14:02:53	2166ms	2 NS 1 A 1 MX	🔒 Secure	View