byc.dk DNS records

🖥️ Nameservers2 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.desec.io	2607:f740:e633:deec::2 45.54.76.1	ns1.desec.io ns1.desec.io	AS63911 NetActuate, Inc AS63911 NetActuate, Inc
ns2.desec.org	157.53.224.1 2607:f740:e00a:deec::2	ns2.desec.org ns2.desec.org	AS36217 NetActuate, Inc AS36217 NetActuate, Inc

🌍 A Records

🌍

No A records found

📧 MX Records2 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	in1-smtp.messagingengine.com	103.168.172.216 103.168.172.217 103.168.172.218 103.168.172.219 103.168.172.220 103.168.172.221 103.168.172.222 103.168.172.223	phl-mx-01.messagingengine.com phl-mx-02.messagingengine.com phl-mx-03.messagingengine.com phl-mx-04.messagingengine.com phl-mx-05.messagingengine.com phl-mx-06.messagingengine.com phl-mx-07.messagingengine.com phl-mx-08.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd
20	3600s	in2-smtp.messagingengine.com	202.12.124.216 202.12.124.217 202.12.124.218 202.12.124.219	stl-mx-01.messagingengine.com stl-mx-02.messagingengine.com stl-mx-03.messagingengine.com stl-mx-04.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC118ms

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	2026044961
Primary NS (MNAME)	get.desec.io
Responsible (RNAME)	get@desec.io
Refresh	86400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

43ms

A

44ms

MX

38ms

AAAA

43ms

TXT

143ms

CAA

46ms

HTTPS

45ms

TLSA

253ms

SOA

0ms

MTA-STS

42ms

DNSSEC

118ms

SRV

46ms

Total

827ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 04:37:02	827ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-08-26 03:08:06	9824ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-08-21 12:03:50	1885ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-08-15 01:30:20	17580ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-08-08 05:41:57	10049ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-08-06 16:11:47	1758ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-07-24 23:18:11	2984ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-07-17 13:27:58	1917ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-07-11 06:30:45	1839ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-07-03 12:26:48	3875ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-26 09:16:10	1564ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-20 08:23:18	626ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-19 09:17:41	1204ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-16 18:05:22	3333ms	2 NS 0 A 2 MX	🔒 Secure	View