viby-gym.dk DNS records

🖥️ Nameservers2 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.supportcenter.dk	87.54.32.150	—	AS3292 TDC Holding A/S
ns4.supportcenter.dk	2.106.7.200	ns4.supportcenter.dk	AS3292 TDC Holding A/S

🌍 A Records1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.54.32.247	3600s	apps.akat.dk campus-horsens.dk driver.via.dk	AS3292	TDC Holding A/S	87.48.0.0/13	🇩🇰 Denmark	—

📧 MX Records1 records 24ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 36ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 98ms

TXT Record
MS=ms38398801
v=spf1 -all
v=spf1 ip4:87.54.32.5 ip4:87.54.32.251 ip4:87.54.32.151 include:spf.mailanyone.net -all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (viby-gym.dk)
-all (hard fail)	v=spf1 -all
-all (hard fail)	v=spf1 ip4:87.54.32.5 ip4:87.54.32.251 ip4:87.54.32.151 include:spf.mailanyone.net -all

📨 DMARC

Policy	Record (_dmarc.viby-gym.dk)
p=reject	v=DMARC1; p=reject;rua=mailto:dmarc@via.dk; ruf=mailto:dmarc@via.dk

📬 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)

🔐 DNSSEC98ms

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

🏷️ SOA0ms

Field	Value
Serial	723
Primary NS (MNAME)	ns3.supportcenter.dk
Responsible (RNAME)	hostmaster@supportcenter.dk
Refresh	900s
Retry	600s
Expire	86400s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

31ms

A

31ms

MX

24ms

AAAA

27ms

TXT

98ms

CAA

32ms

HTTPS

25ms

TLSA

37ms

SOA

0ms

MTA-STS

35ms

DNSSEC

98ms

SRV

36ms

Total

418ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 19:06:42	418ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 10:25:51	561ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 07:04:54	16784ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 02:38:03	1390ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 15:55:01	802ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 09:12:51	548ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 15:58:38	4523ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 07:39:05	3079ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 00:11:40	1469ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 22:58:37	492ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 20:18:31	774ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 09:19:25	8611ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-13 16:09:46	702ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-09 06:02:15	869ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 13:29:12	430ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 00:43:55	414ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 18:58:30	466ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 05:59:35	628ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 06:58:46	3857ms	2 NS 1 A 0 MX	🔒 Secure	View