truenorthefterskole.dk DNS records

🖥️ Nameservers2 records 115ms

Nameserver	IP addresses	PTR	ASN / ISP
bella.ns.cloudflare.com	108.162.192.74 172.64.32.74 173.245.58.74 2606:4700:50::adf5:3a4a 2803:f800:50::6ca2:c04a 2a06:98c1:50::ac40:204a	bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mark.ns.cloudflare.com	108.162.193.130 172.64.33.130 173.245.59.130 2606:4700:58::adf5:3b82 2803:f800:50::6ca2:c182 2a06:98c1:50::ac40:2182	mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 131ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.65	300s	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records1 records 84ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	truenorthefterskole-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::a 2a01:111:f403:ca09::7 2a01:111:f403:ca09::9 52.101.209.153 52.101.68.16 52.101.68.18 52.101.73.123	mail-db4pr02cu00406.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am6pr02cu00203.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 159ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 398ms

TXT Record
klaviyo-site-verification=TS8euJ
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (truenorthefterskole.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.truenorthefterskole.dk)
p=none (monitor only)	v=DMARC1; p=none; adkim=r; aspf=r; rua=mailto:17062fd6f99d49779715e6ac9924e067@dmarc-reports.cloudflare.net,mailto:dmarc@truenorthefterskole.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
TXT	_acme-challenge.truenorthefterskole.dk	m_COuweuWL-cVsgNVHSRlYoZ0UL1BPHxr23UxQnPwYs
TXT	_acme-challenge.truenorthefterskole.dk	-ZO7h_UZDIyTCbL_dyqa9wjGO3fSsixCW9AuS4K9ZFw

🔗 TLSA / DANE

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

🔐 DNSSEC236ms

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

🏷️ SOA0ms

Field	Value
Serial	2413591102
Primary NS (MNAME)	bella.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

115ms

A

131ms

MX

84ms

AAAA

134ms

TXT

398ms

CAA

92ms

HTTPS

134ms

TLSA

1310ms

SOA

0ms

MTA-STS

186ms

DNSSEC

236ms

SRV

159ms

Total

3610ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 23:36:05	3610ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 11:36:32	1272ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 10:57:29	17654ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-03 21:06:18	2173ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 01:46:12	25852ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-07 00:39:06	2217ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 09:32:10	6636ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 09:14:41	1158ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 06:43:23	1394ms	2 NS 1 A 1 MX	🔒 Secure	View