sdr-felding.dk DNS records

🖥️ Nameservers2 records 44ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dlx.dk	2a00:1b18:1337:1337::53 46.30.121.210	ns1.dlx.dk ns1.dlx.dk	AS47527 DLX A/S AS47527 DLX A/S
ns2.dlx.dk	185.208.212.124 2a00:1b19:1337:1337::53	ns2.dlx.dk ns2.dlx.dk	AS47527 DLX A/S AS47527 DLX A/S

🌍 A Records1 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.31.76.99	3600s	—	AS47527	DLX A/S	185.31.76.0/22	🇩🇰 Denmark	Herning

📧 MX Records1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.dlx.dk	2a00:1b18:1337:1337::25 46.30.121.240	mail.dlx.dk mx01.dlx.dk	AS47527 DLX A/S AS47527 DLX A/S

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 159ms

TXT Record
v=spf1 include:_spf.mail.dlx.dk ~all

✉️ SPF

Policy	Record (sdr-felding.dk)
~all (soft fail)	v=spf1 include:_spf.mail.dlx.dk ~all

📨 DMARC

Policy	Record (_dmarc.sdr-felding.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:karsten@sdr-felding.dk; ruf=mailto:karsten@sdr-felding.dk; fo=1;

📬 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 / DANE1 records 135ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.dlx.dk	DANE-EE · SPKI · SHA-256	8A39A20EF25C2CA3EBFF4F7CA64B2272…

🔐 DNSSEC123ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2025061855
Primary NS (MNAME)	ns1.dlx.dk
Responsible (RNAME)	ks@dlx.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

44ms

A

40ms

MX

43ms

AAAA

45ms

TXT

159ms

CAA

44ms

HTTPS

59ms

TLSA

135ms

SOA

0ms

MTA-STS

109ms

DNSSEC

123ms

SRV

76ms

Total

1080ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 09:31:31	1080ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 22:51:21	574ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 16:10:42	466ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 03:30:35	2431ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 12:36:10	676ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-16 10:47:17	2021ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 03:29:15	4596ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 09:28:34	722ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 10:48:35	666ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 10:31:49	2587ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 10:08:09	882ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 09:33:25	9023ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 20:11:11	1107ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 07:34:06	998ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 22:25:11	4067ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 18:15:04	2676ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 22:02:59	629ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 04:13:55	505ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 11:47:01	1549ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 12:48:42	436ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 03:51:10	1190ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 11:39:46	503ms	2 NS 1 A 1 MX	🔒 Secure	View