keldmann.dk DNS records

🖥️ Nameservers2 records 99ms

Nameserver	IP addresses	PTR	ASN / ISP
celeste.ns.cloudflare.com	108.162.194.7 162.159.38.7 172.64.34.7 2606:4700:50::a29f:2607 2803:f800:50::6ca2:c207 2a06:98c1:50::ac40:2207	celeste.ns.cloudflare.com celeste.ns.cloudflare.com celeste.ns.cloudflare.com celeste.ns.cloudflare.com celeste.ns.cloudflare.com celeste.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
chuck.ns.cloudflare.com	108.162.193.86 172.64.33.86 173.245.59.86 2606:4700:58::adf5:3b56 2803:f800:50::6ca2:c156 2a06:98c1:50::ac40:2156	chuck.ns.cloudflare.com chuck.ns.cloudflare.com chuck.ns.cloudflare.com chuck.ns.cloudflare.com chuck.ns.cloudflare.com chuck.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 96ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.67.182	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.179.83	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 96ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	keldmann-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca04::e 2a01:111:f403:ca04::f 2a01:111:f403:ca09::20 52.101.68.10 52.101.73.11 52.101.73.28 52.101.73.6	mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am6pr04cu00306.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 117ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:b353	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:43b6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 125ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.67.182,172.67.179.83 ech=AEX+DQBBkwAgACCSCvcc/BOS4OwqCEyJAUhwWdbwHLkSyrxq1CxuBX/GZgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b353,2606:4700:3034::6815:43b6

🔌 SRV Records1 records 187ms

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

📝 TXT Records2 records 397ms

TXT Record
MS=ms47078851
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (keldmann.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)

🔐 DNSSEC207ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2412546999
Primary NS (MNAME)	celeste.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

99ms

A

96ms

MX

96ms

AAAA

117ms

TXT

397ms

CAA

119ms

HTTPS

125ms

TLSA

1170ms

SOA

0ms

MTA-STS

156ms

DNSSEC

207ms

SRV

187ms

Total

7107ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 21:24:45	2057ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-18 20:32:06	7107ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-14 23:13:47	9167ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 21:56:26	877ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 17:32:00	888ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 21:01:02	1270ms	2 NS 2 A 1 MX	🔓 Insecure	View