jakobskolen.dk DNS records

🖥️ Nameservers2 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.241.105	3600s	webcluster2.wordpresspod2-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	jakobskolen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca09::d 2a01:111:f403:ca48::8 2a01:111:f403:ca48::a 52.101.103.143 52.101.68.12 52.101.68.27 52.101.68.39	mail-db7pr03cu00507.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db7pr03cu00607.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	77.111.241.105

🔷 AAAA Records (IPv6)1 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:804a:367c:435c:def5	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 4154ms

TXT Record
v=spf1 mx a include:web.shared.mysmtp.com ip4:89.221.167.1/24 include:spf.protection.outlook.com include:spf.permido.com -all

✉️ SPF

Policy	Record (jakobskolen.dk)
-all (hard fail)	v=spf1 mx a include:web.shared.mysmtp.com ip4:89.221.167.1/24 include:spf.protection.outlook.com include:spf.permido.com -all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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.jakobskolen.dk	jakobskolen.dk.acme.service.one.com

🔗 TLSA / DANE

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

🔐 DNSSEC69ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081001
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

40ms

A

46ms

MX

36ms

AAAA

45ms

TXT

4154ms

CAA

35ms

HTTPS

32ms

TLSA

239ms

SOA

0ms

MTA-STS

50ms

DNSSEC

69ms

SRV

55ms

Total

4781ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 10:15:47	4781ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 09:08:53	4744ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 02:08:30	1335ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 14:19:42	1135ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 18:55:31	2403ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 09:08:35	2572ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 04:11:16	1178ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 04:48:57	1081ms	2 NS 1 A 1 MX	🔒 Secure	View