f-16.dk DNS records

🖥️ Nameservers5 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.brandshelter.com	193.227.117.9 2a04:2b00:14cc::9	ns1.brandshelter.com —	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns2.brandshelter.de	194.50.187.11 2a04:2b00:14dd::11	ns2.brandshelter.de ns11.j.centralnic-dns.com	AS207021 ipcom GmbH AS207021 ipcom GmbH
ns3.brandshelter.info	194.0.182.12 2a04:2b00:14ee::12	ns3.brandshelter.info ns12.k.centralnic-dns.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns4.brandshelter.net	193.227.117.10 2a04:2b00:14cc::10	ns4.brandshelter.net ns10.i.centralnic-dns.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns5.brandshelter.us	194.50.187.14 2a04:2b00:14dd::14	ns5.brandshelter.us ns14.j.centralnic-dns.com	AS207021 ipcom GmbH AS207021 ipcom GmbH

🌍 A Records

🌍

No A records found

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 148ms

TXT Record
v=spf1 mx -all

✉️ SPF

Policy	Record (f-16.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC

Policy	Record (_dmarc.f-16.dk)
p=reject	v=DMARC1; p=reject; sp=reject;

📬 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)

🔐 DNSSEC95ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2025035772
Primary NS (MNAME)	ns1.brandshelter.com
Responsible (RNAME)	tech@brandshelter.com
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

35ms

A

29ms

MX

35ms

AAAA

35ms

TXT

148ms

CAA

30ms

HTTPS

29ms

TLSA

28ms

SOA

0ms

MTA-STS

47ms

DNSSEC

95ms

SRV

43ms

Total

398ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 16:58:50	398ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-08-28 09:12:44	551ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-08-27 20:28:39	443ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-08-20 08:58:02	3349ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-08-13 22:55:01	2066ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-08-06 13:24:07	855ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-07-30 09:54:42	4737ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-07-24 06:13:31	1334ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-07-23 05:29:26	1971ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-07-16 13:20:32	8713ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-07-10 06:33:45	905ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-07-03 11:33:01	814ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-07-01 09:13:57	743ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-06-26 18:08:01	764ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-06-26 00:50:09	790ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-06-24 20:49:15	714ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-06-18 12:27:10	949ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-06-17 09:09:57	932ms	5 NS 0 A 0 MX	🔒 Secure	View