sb-it.dk DNS records

🖥️ Nameservers2 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
melina.ns.cloudflare.com	108.162.194.184 162.159.38.184 172.64.34.184 2606:4700:50::a29f:26b8 2803:f800:50::6ca2:c2b8 2a06:98c1:50::ac40:22b8	melina.ns.cloudflare.com melina.ns.cloudflare.com melina.ns.cloudflare.com melina.ns.cloudflare.com melina.ns.cloudflare.com melina.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
melnicoff.ns.cloudflare.com	108.162.195.174 162.159.44.174 172.64.35.174 2606:4700:58::a29f:2cae 2803:f800:50::6ca2:c3ae 2a06:98c1:50::ac40:23ae	melnicoff.ns.cloudflare.com melnicoff.ns.cloudflare.com melnicoff.ns.cloudflare.com melnicoff.ns.cloudflare.com melnicoff.ns.cloudflare.com melnicoff.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.25.114	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.134.48	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sbit-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09:: 2a01:111:f403:ca09::24 2a01:111:f403:ca48::a 52.101.68.18 52.101.68.39 52.101.73.22 52.101.73.24	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-as8pr05cu00300.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)2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:8630	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:1972	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 59ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.25.114,172.67.134.48 ech=AEX+DQBB4wAgACC4fsfBA0wpiChSKINLH/16AWAXDv3Vw0exD3YK6FDsUgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:8630,2606:4700:3037::6815:1972

📝 TXT Records2 records 320ms

TXT Record
MS=ms79571766
v=spf1 include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (sb-it.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com ~all

📨 DMARC

Policy	Record (_dmarc.sb-it.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:3a6fd8b53ebf4720b025a28d99ba7d35@dmarc-reports.cloudflare.net,mailto:it@sb-it.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

🔗 TLSA / DANE

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

🔐 DNSSEC9082ms

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

🏷️ SOA0ms

Field	Value
Serial	2411715765
Primary NS (MNAME)	melina.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

41ms

A

44ms

MX

35ms

AAAA

43ms

TXT

320ms

CAA

40ms

HTTPS

59ms

TLSA

1150ms

SOA

0ms

MTA-STS

56ms

DNSSEC

9082ms

SRV

92ms

Total

11287ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 00:54:40	11287ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-28 11:13:00	1194ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-10 10:22:19	17432ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-28 04:33:45	4046ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-17 20:33:52	1407ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-07 02:08:34	2666ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-25 22:59:44	2023ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-23 16:43:08	1020ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-17 21:23:39	4681ms	2 NS 2 A 1 MX	🔒 Secure	View