buff.dk DNS records

🖥️ Nameservers2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
aiden.ns.cloudflare.com	—	—	—
amanda.ns.cloudflare.com	—	—	—

🌍 A Records2 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.57.33	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.188.236	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
50	—	mailscanner.powerhosting.dk	159.69.15.90 185.31.77.170 185.31.77.171 185.31.77.172 185.31.77.173 185.31.77.174 185.31.77.175 185.31.77.176 185.31.77.177 95.217.132.35	mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk	AS24940 Hetzner Online GmbH AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS24940 Hetzner Online GmbH
100	—	backup-mx.powerhosting.dk	159.69.15.90 185.31.77.170 185.31.77.171 185.31.77.172 185.31.77.173 185.31.77.174 185.31.77.175 185.31.77.176 185.31.77.177 95.217.132.35	mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk	AS24940 Hetzner Online GmbH AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:3921	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—
2606:4700:3034::ac43:bcec	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—

🔐 HTTPS Records1 records 33ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.57.33,172.67.188.236 ech=AEX+DQBB6gAgACBAk7biNGguDhfElDNDlBhA4bndbZdx+H8iOS6FUr6nJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:3921,2606:4700:3034::ac43:bcec

📝 TXT Records1 records 176ms

TXT Record
v=spf1 include:_spf.powerhosting.dk mx -all

✉️ SPF

Policy	Record (buff.dk)
-all (hard fail)	v=spf1 include:_spf.powerhosting.dk mx -all

📨 DMARC

Policy	Record (_dmarc.buff.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@powerhosting.dk; ruf=mailto:dmarc@powerhosting.dk; adkim=r; aspf=r

📬 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 / DANE2 records 76ms

Service / Owner	Type	Cert association
SMTP _25._tcp.backup-mx.powerhosting.dk	DANE-EE · SPKI · SHA-256	3C02E6711E7E08A1889E67D27C35D230…
SMTP _25._tcp.mailscanner.powerhosting.dk	DANE-EE · SPKI · SHA-256	3C02E6711E7E08A1889E67D27C35D230…

🔐 DNSSEC116ms

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

🏷️ SOA31ms

Field	Value
Serial	2403885771
Primary NS (MNAME)	aiden.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

33ms

A

32ms

MX

32ms

AAAA

36ms

TXT

176ms

CAA

33ms

HTTPS

33ms

TLSA

76ms

SOA

31ms

MTA-STS

119ms

DNSSEC

116ms

SRV

0ms

Total

1052ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 05:31:18	1183ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-27 04:52:08	2102ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-06 07:54:01	3296ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-10 06:29:28	11536ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-08 14:12:03	26396ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-03 07:19:22	1573ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-27 11:42:45	2935ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-26 02:01:55	1513ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-19 13:54:04	3961ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-16 17:35:05	1052ms	2 NS 2 A 2 MX	🔓 Insecure	View