key2know.dk DNS records

🖥️ Nameservers2 records 76ms

Nameserver	IP addresses	PTR	ASN / ISP
kristin.ns.cloudflare.com	108.162.192.181 172.64.32.181 173.245.58.181 2606:4700:50::adf5:3ab5 2803:f800:50::6ca2:c0b5 2a06:98c1:50::ac40:20b5	kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sri.ns.cloudflare.com	108.162.193.234 172.64.33.234 173.245.59.234 2606:4700:58::adf5:3bea 2803:f800:50::6ca2:c1ea 2a06:98c1:50::ac40:21ea	sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 69ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.77.136	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.208.145	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 68ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	key2know-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::4 2a01:111:f403:ca04::5 2a01:111:f403:ca04::e 52.101.68.16 52.101.68.5 52.101.73.16 52.101.73.2	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr07cu00302.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)2 records 57ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:d091	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:4d88	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 43ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.77.136,172.67.208.145 ech=AEX+DQBB8gAgACC9MQ4sMWy4E561p7DnoFhS8bFHVKhX+mybKqxiA2KyWwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:d091,2606:4700:3033::6815:4d88

🔌 SRV Records1 records 132ms

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

📝 TXT Records5 records 276ms

TXT Record
apple-domain-verification=qTShdh84eNxgsc4Z
google-site-verification=64j_lQgfgSqrg0JA9-IVBBA8Fl4KxYEic4CcWq034Uo
MS=ms11103204
v=spf1 include:spf.protection.outlook.com a:mail1.c1.sdc-hosting.com a:mail1.c2.sdc-hosting.com ip4:195.184.96.12 ~all
wrike-verification=NTUzMTM2ODpkNDViZjhlNWJhNzllYzI0OGIxNTk4ZDkyMjUyNmYxOGM3OTM1YzdjZWNkYTZmNTk3NmFlNWJkMDkwYTc1NTYz

✉️ SPF

Policy	Record (key2know.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com a:mail1.c1.sdc-hosting.com a:mail1.c2.sdc-hosting.com ip4:195.184.96.12 ~all

📨 DMARC

Policy	Record (_dmarc.key2know.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:e89fe6ed5362453b854ef9f707a1edb1@dmarc-reports.cloudflare.net

📬 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)

🔐 DNSSEC115ms

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

🏷️ SOA0ms

Field	Value
Serial	2411176655
Primary NS (MNAME)	kristin.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

76ms

A

69ms

MX

68ms

AAAA

57ms

TXT

276ms

CAA

72ms

HTTPS

43ms

TLSA

1817ms

SOA

0ms

MTA-STS

106ms

DNSSEC

115ms

SRV

132ms

Total

3385ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 21:43:18	1204ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-06 04:49:15	3385ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-23 11:21:35	2484ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-10 12:21:35	1642ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-07 06:17:40	6667ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-21 09:08:13	1498ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-21 07:48:19	1185ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 17:21:47	1279ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-17 13:11:30	3266ms	2 NS 2 A 1 MX	🔒 Secure	View