computertilbud.dk DNS records

🖥️ Nameservers2 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.123hotel.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.123hotel.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
81.19.249.114	43200s	sequelsite1.sequelsite.dk	AS47292	Sentia Denmark A/S	81.19.248.0/22	🇩🇰 Denmark	—

📧 MX Records2 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mail.computertilbud.dk	81.19.249.115	sequelsite1.sequelsite.dk	AS47292 Sentia Denmark A/S
100	43200s	backup-mx.zitcom.dk	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	81.19.249.114
🔶 Autoconfig	81.19.249.114

🔷 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)

🔐 DNSSEC87ms

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

🏷️ SOA0ms

Field	Value
Serial	2021111801
Primary NS (MNAME)	ns1.123hotel.dk
Responsible (RNAME)	hostmaster@123hotel.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

41ms

A

52ms

MX

53ms

AAAA

46ms

TXT

155ms

CAA

70ms

HTTPS

47ms

TLSA

67ms

SOA

0ms

MTA-STS

67ms

DNSSEC

87ms

SRV

69ms

Total

629ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 17:50:23	629ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-02 15:26:49	534ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-24 14:18:01	3125ms	2 NS 1 A 2 MX	⚠️ Bogus	View
2026-06-24 09:38:58	1173ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 23:08:32	1037ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-22 03:29:20	1175ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 11:15:51	2327ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-20 06:58:46	951ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-19 18:18:05	3884ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-19 00:53:06	695ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-16 22:44:10	65535ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-16 22:12:14	569ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-16 22:12:00	2158ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-16 22:01:24	700ms	2 NS 1 A 2 MX	🔒 Secure	View