heisterberg.dk DNS records

🖥️ Nameservers3 records 101ms

Nameserver	IP addresses	PTR	ASN / ISP
helium.ns.hetzner.de	193.47.99.5 2001:67c:192c::add:5	helium.ns.hetzner.de helium.ns.hetzner.de	AS12337 noris network AG AS12337 noris network AG
hydrogen.ns.hetzner.com	213.133.100.98 2a01:4f8:0:1::add:1098	hydrogen.ns.hetzner.com hydrogen.ns.hetzner.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
oxygen.ns.hetzner.com	2a01:4f8:0:1::add:2992 88.198.229.192	oxygen.ns.hetzner.com oxygen.ns.hetzner.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records

🌍

No A records found

📧 MX Records2 records 73ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.forwardemail.net	121.127.44.56 138.197.213.185 2604:a880:2:d0::306:1 2a02:6ea0:d71e::2	mx1.forwardemail.net mx1.forwardemail.net mx1.forwardemail.net mx1.forwardemail.net	AS60068 Datacamp Limited AS14061 DigitalOcean, LLC AS14061 DigitalOcean, LLC AS60068 Datacamp Limited
10	3600s	mx2.forwardemail.net	104.248.224.170 121.127.44.59 2604:a880:400:d1::cd:9001 2a02:6ea0:d71e::1	mx2.forwardemail.net mx2.forwardemail.net mx2.forwardemail.net mx2.forwardemail.net	AS14061 DigitalOcean, LLC AS60068 Datacamp Limited AS14061 DigitalOcean, LLC AS60068 Datacamp Limited

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 386ms

TXT Record
forward-email-site-verification=bcql1kV79Z
v=spf1 include:spf.forwardemail.net include:spf.protection.outlook.com include:_spf.google.com a:outbox.fheist.dk -all

✉️ SPF

Policy	Record (heisterberg.dk)
-all (hard fail)	v=spf1 include:spf.forwardemail.net include:spf.protection.outlook.com include:_spf.google.com a:outbox.fheist.dk -all

📨 DMARC

Policy	Record (_dmarc.heisterberg.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:dmarc-64f719c08bf75fb28dc91b2d@forwardemail.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 / DANE4 records 68ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.forwardemail.net	DANE-EE · SPKI · SHA-256	321F694EAD3A2E733D857FD7E79D811F…
SMTP _25._tcp.mx1.forwardemail.net	DANE-EE · SPKI · SHA-256	5E81DA1AF16DF20B13E667AD6D9C2B65…
SMTP _25._tcp.mx2.forwardemail.net	DANE-EE · SPKI · SHA-256	321F694EAD3A2E733D857FD7E79D811F…
SMTP _25._tcp.mx2.forwardemail.net	DANE-EE · SPKI · SHA-256	5E81DA1AF16DF20B13E667AD6D9C2B65…

🔐 DNSSEC141ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2026081801
Primary NS (MNAME)	hydrogen.ns.hetzner.com
Responsible (RNAME)	dns@hetzner.com
Refresh	86400s
Retry	10800s
Expire	3600000s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

101ms

A

100ms

MX

73ms

AAAA

105ms

TXT

386ms

CAA

72ms

HTTPS

113ms

TLSA

68ms

SOA

0ms

MTA-STS

977ms

DNSSEC

141ms

SRV

131ms

Total

1564ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 01:01:34	1564ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-08-18 15:09:52	1898ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-08-16 12:22:40	6002ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-06-28 12:51:54	2854ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-06-21 20:43:30	4637ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-06-21 06:13:23	1110ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 02:05:50	689ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-06-21 00:37:40	1487ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-06-17 11:14:46	794ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-06-17 11:13:43	885ms	3 NS 0 A 2 MX	🔓 Insecure	View