skoleplan.dk DNS records

🖥️ Nameservers4 records 34ms

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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.160.63.97	3600s	—	AS8075	Microsoft Corporation	20.160.0.0/12	🇳🇱 The Netherlands	Amsterdam

📧 MX Records1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	skoleplan-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::c 2a01:111:f403:ca04::e 2a01:111:f403:ca09::8 52.101.209.153 52.101.68.10 52.101.73.1 52.101.73.6	mail-du0pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 137ms

TXT Record
_globalsign-domain-verification=sJv3qU15QVxZPc64d_yT4CKsWpDUf5gHCGLUf5eJ0G
MS=ms45038206
v=spf1 include:spf.solutio.dk include:spf.protection.outlook.com include:servers.mcsv.net ip4:130.226.154.162 ~all

✉️ SPF

Policy	Record (skoleplan.dk)
~all (soft fail)	v=spf1 include:spf.solutio.dk include:spf.protection.outlook.com include:servers.mcsv.net ip4:130.226.154.162 ~all

📨 DMARC

Policy	Record (_dmarc.skoleplan.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:support@skoleplan.dk; aspf=r

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records3 records 43ms

Flags	Tag	Value
0	issue	digicert.com
0	issue	letsencrypt.org
0	issue	rapidssl.com

🔗 TLSA / DANE

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

🔐 DNSSEC81ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082500
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

34ms

A

36ms

MX

42ms

AAAA

28ms

TXT

137ms

CAA

43ms

HTTPS

60ms

TLSA

602ms

SOA

0ms

MTA-STS

60ms

DNSSEC

81ms

SRV

59ms

Total

1165ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 13:42:37	1165ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 09:03:40	3079ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 19:07:16	890ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 05:54:23	913ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 21:30:00	1623ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 09:42:47	955ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 12:59:00	1510ms	4 NS 1 A 1 MX	⚠️ Bogus	View