jakobskolen-aarhus.dk DNS records

🖥️ Nameservers2 records 158ms

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 124ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.251.4.116	600s	vm0842.enterprisecloud.nu	AS48854	team.blue Denmark A/S	178.251.0.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 129ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	jakobskolenaarhus-dk02i.mail.protection.outlook.com	2a01:111:f403:ca09::b 2a01:111:f403:ca09::c 2a01:111:f403:ca09::d 2a01:111:f403:ca38::8 52.101.103.137 52.101.209.153 52.101.73.11 52.101.73.16	mail-am7pr05cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as2pr05cu00100.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	jakobskolen-aarhus.dk → 178.251.4.116

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records5 records 386ms

TXT Record
aguas2lr051l9g788sgeo4b5rk
inst=Jakobskolen
P-D7PRMvKse4
SOA=1614871036
v=spf1 ip4:185.21.42.242 include:spf.permido.com include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (jakobskolen-aarhus.dk)
-all (hard fail)	v=spf1 ip4:185.21.42.242 include:spf.permido.com include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.jakobskolen-aarhus.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; ruf=mailto:DmarcRufFail@jakobskolen-aarhus.dk; rua=mailto:DmarcRua@jakobskolen-aarhus.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.jakobskolen-aarhus.dk	jakobskolen-aarhus.dk

🔗 TLSA / DANE

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

🔐 DNSSEC284ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082801
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

158ms

A

124ms

MX

129ms

AAAA

150ms

TXT

386ms

CAA

169ms

HTTPS

121ms

TLSA

1129ms

SOA

0ms

MTA-STS

186ms

DNSSEC

284ms

SRV

233ms

Total

3246ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 02:36:28	3246ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 22:55:50	1582ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 15:47:29	1249ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 20:40:14	9274ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 23:27:22	1584ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 05:02:49	3763ms	2 NS 1 A 1 MX	🔒 Secure	View