tankmar.dk DNS records

🖥️ Nameservers2 records 222ms

Nameserver	IP addresses	PTR	ASN / ISP
donald.ns.cloudflare.com	108.162.193.158 172.64.33.158 173.245.59.158 2606:4700:58::adf5:3b9e 2803:f800:50::6ca2:c19e 2a06:98c1:50::ac40:219e	donald.ns.cloudflare.com donald.ns.cloudflare.com donald.ns.cloudflare.com donald.ns.cloudflare.com donald.ns.cloudflare.com donald.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lisa.ns.cloudflare.com	108.162.192.131 172.64.32.131 173.245.58.131 2606:4700:50::adf5:3a83 2803:f800:50::6ca2:c083 2a06:98c1:50::ac40:2083	lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 165ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.95.247	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.149.221	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 160ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tankmar-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::b 2a01:111:f403:ca09::2 2a01:111:f403:ca09::7 52.101.68.27 52.101.68.32 52.101.73.1 52.101.73.12	mail-db5pr02cu00100.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am4pr0401cu00104.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 → 40.104.116.56
🔶 Autoconfig	172.67.149.221

🔷 AAAA Records (IPv6)2 records 111ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:5ff7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:95dd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 230ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.95.247,172.67.149.221 ech=AEX+DQBB0wAgACBvcdMNkiAKssD1MMlAjwQ9suAXxEyj8jm+B6MzOy6bHAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:5ff7,2606:4700:3036::ac43:95dd

📝 TXT Records1 records 544ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.tankmar.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:3548c9709a064e6cbc729ea50bdfe450@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)

🔐 DNSSEC404ms

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

🏷️ SOA0ms

Field	Value
Serial	2413008674
Primary NS (MNAME)	donald.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

222ms

A

165ms

MX

160ms

AAAA

111ms

TXT

544ms

CAA

220ms

HTTPS

230ms

TLSA

439ms

SOA

0ms

MTA-STS

251ms

DNSSEC

404ms

SRV

244ms

Total

4768ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 14:16:43	4768ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-14 18:34:36	7544ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-06 20:39:01	2198ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-25 23:55:26	2406ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-22 21:14:35	11190ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-28 02:26:57	1434ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-17 15:07:51	1330ms	2 NS 2 A 1 MX	❓ Unknown	View