blaakilde-efterskole.dk DNS records

🖥️ Nameservers2 records 39ms

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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.166.22.221	300s	—	AS14061	DigitalOcean, LLC	188.166.0.0/16	🇳🇱 The Netherlands	Amsterdam

📧 MX Records1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	blaakildeefterskole-dk02c.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::c 2a01:111:f403:ca09::2 2a01:111:f403:ca09::e 52.101.68.0 52.101.68.25 52.101.68.32 52.101.73.8	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 70ms

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

📝 TXT Records3 records 204ms

TXT Record
apple-domain-verification=YVvTkD39O2VEcolq
cisco-ci-domain-verification=bdcd7c8c529f1ca779be06f24f60f758c3aa61af3c4adc9075ec8a3932c45b2
v=spf1 include:spf.protection.outlook.com ip4:5.206.192.52 -all

✉️ SPF

Policy	Record (blaakilde-efterskole.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:5.206.192.52 -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)

🔐 DNSSEC75ms

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

🏷️ SOA0ms

Field	Value
Serial	2412451347
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

39ms

A

38ms

MX

34ms

AAAA

46ms

TXT

204ms

CAA

56ms

HTTPS

41ms

TLSA

316ms

SOA

0ms

MTA-STS

52ms

DNSSEC

75ms

SRV

70ms

Total

955ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 01:20:37	955ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 21:27:23	1695ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 03:56:00	10777ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 13:28:12	6406ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 12:32:23	2349ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 14:24:20	4134ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 21:29:16	1632ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 19:08:14	742ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 09:42:09	733ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 14:45:09	681ms	2 NS 1 A 1 MX	🔒 Secure	View