buff.dk DNS records

🖥️ Nameservers2 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
aiden.ns.cloudflare.com	108.162.193.55 172.64.33.55 173.245.59.55 2606:4700:58::adf5:3b37 2803:f800:50::6ca2:c137 2a06:98c1:50::ac40:2137	aiden.ns.cloudflare.com aiden.ns.cloudflare.com aiden.ns.cloudflare.com aiden.ns.cloudflare.com aiden.ns.cloudflare.com aiden.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
amanda.ns.cloudflare.com	108.162.192.63 172.64.32.63 173.245.58.63 2606:4700:50::adf5:3a3f 2803:f800:50::6ca2:c03f 2a06:98c1:50::ac40:203f	amanda.ns.cloudflare.com amanda.ns.cloudflare.com amanda.ns.cloudflare.com amanda.ns.cloudflare.com amanda.ns.cloudflare.com amanda.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.57.33	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.188.236	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
50	600s	mailscanner.powerhosting.dk	159.69.15.90 185.31.77.171 185.31.77.172 185.31.77.173 185.31.77.174 185.31.77.175 185.31.77.176 185.31.77.177 2a00:b920:3:1337:7331::171 2a00:b920:3:1337:7331::172 2a00:b920:3:1337:7331::173 2a00:b920:3:1337:7331::174 2a00:b920:3:1337:7331::175 2a00:b920:3:1337:7331::176 2a00:b920:3:1337:7331::177 2a01:4f8:1c1c:2850::1 2a01:4f9:c010:6af1::1 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 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 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 AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
100	600s	backup-mx.powerhosting.dk	159.69.15.90 185.31.77.171 185.31.77.172 185.31.77.173 185.31.77.174 185.31.77.175 185.31.77.176 185.31.77.177 2a00:b920:3:1337:7331::171 2a00:b920:3:1337:7331::172 2a00:b920:3:1337:7331::173 2a00:b920:3:1337:7331::174 2a00:b920:3:1337:7331::175 2a00:b920:3:1337:7331::176 2a00:b920:3:1337:7331::177 2a01:4f8:1c1c:2850::1 2a01:4f9:c010:6af1::1 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 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 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 AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	buff-prod-external-1387036544.eu-west-1.elb.amazonaws.com → 54.246.168.178
🔶 Autoconfig	autoconfig.powerhosting.dk → 188.116.39.132

🔷 AAAA Records (IPv6)2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:3921	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:bcec	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 57ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.57.33,172.67.188.236 ech=AEX+DQBBVwAgACA8N2H3yOU9l7XFucLI5uf9IEWxe477AzcWCe7EoHsDLQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3921,2606:4700:3033::ac43:bcec

🔌 SRV Records3 records 251ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	1	443	autodiscover.powerhosting.dk
_imap._tcp	20	10	143	mail1.powerhosting.dk
_imaps._tcp	10	10	993	mail1.powerhosting.dk

📝 TXT Records1 records 177ms

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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.buff.dk	buff-prod-external-1387036544.eu-west-1.elb.amazonaws.com

🔗 TLSA / DANE2 records 141ms

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…

🔐 DNSSEC78ms

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

🏷️ SOA35ms

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

37ms

A

35ms

MX

32ms

AAAA

32ms

TXT

177ms

CAA

35ms

HTTPS

57ms

TLSA

141ms

SOA

35ms

MTA-STS

92ms

DNSSEC

78ms

SRV

251ms

Total

1513ms

🕐 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