koldingfriskole.dk DNS records

🖥️ Nameservers2 records 82ms

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 103ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.159	3600s	webcluster1.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 109ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	koldingfriskole-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca09:: 2a01:111:f403:ca09::5 2a01:111:f403:ca09::a 52.101.103.140 52.101.68.0 52.101.73.153 52.101.91.162	mail-db7pr03cu00401.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-matpr04cu00302.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 → 52.98.149.152

🔷 AAAA Records (IPv6)1 records 595ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:fe:f02e:989d:f8e8	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 Records2 records 783ms

TXT Record
P-BpQMUM4MZU
v=spf1 include:spf.protection.outlook.com include:spf.permido.com -all

✉️ SPF

Policy	Record (koldingfriskole.dk)
-all (hard fail)	v=spf1 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

🔗 TLSA / DANE

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

🔐 DNSSEC136ms

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

🏷️ SOA0ms

Field	Value
Serial	2026090105
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

82ms

A

103ms

MX

109ms

AAAA

595ms

TXT

783ms

CAA

106ms

HTTPS

72ms

TLSA

685ms

SOA

0ms

MTA-STS

102ms

DNSSEC

136ms

SRV

111ms

Total

2027ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 08:51:04	2027ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 00:07:58	1277ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 14:12:56	4346ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 19:04:27	7395ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 11:22:42	3471ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 18:23:59	1315ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 01:49:13	2394ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 13:57:55	1260ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 01:02:08	934ms	2 NS 1 A 1 MX	🔒 Secure	View