sctibsskole.dk DNS records

🖥️ Nameservers2 records 293ms

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 Records

🌍

No A records found

📧 MX Records1 records 292ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	sctibsskole-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::a 2a01:111:f403:ca04::c 2a01:111:f403:ca09::8 52.101.68.15 52.101.68.5 52.101.73.2 52.101.73.30	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 289ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 645ms

TXT Record
apple-domain-verification=FTRVV1iZLlVyuJCz
google-site-verification=mIcTXZeqJmZADUwKtI2k9sO36loLO7wl21UE8O9TZYI
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

🔐 DNSSEC488ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2412812657
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

293ms

A

259ms

MX

292ms

AAAA

235ms

TXT

645ms

CAA

233ms

HTTPS

278ms

TLSA

770ms

SOA

0ms

MTA-STS

334ms

DNSSEC

488ms

SRV

289ms

Total

6054ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-22 02:53:23	6054ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-21 02:32:24	8964ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-11 23:50:43	1210ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-18 07:32:24	1411ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-14 06:37:08	1168ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-22 03:46:15	726ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-20 21:00:48	3065ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-20 20:14:19	1174ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 06:23:05	1682ms	2 NS 0 A 1 MX	🔒 Secure	View