tandborg.dk DNS records

🖥️ Nameservers2 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.188.79.139	600s	web36.atorbital.dk	AS48854	team.blue Denmark A/S	89.188.72.0/21	🇩🇰 Denmark	—

📧 MX Records2 records 25ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mail.tandborg.dk	185.21.40.66	director1.mf.curanet.dk	AS48854 team.blue Denmark A/S
20	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	89.188.79.139
🔶 Autoconfig	89.188.79.139

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 165ms

TXT Record
v=spf1 mx a ip4:185.21.40.66 ip4:94.231.103.20 a:mail10.123hotel.dk a:mail10.curanet.dk a:mail.tandborg.dk a:backup-mx.zitcom.dk -all

✉️ SPF

Policy	Record (tandborg.dk)
-all (hard fail)	v=spf1 mx a ip4:185.21.40.66 ip4:94.231.103.20 a:mail10.123hotel.dk a:mail10.curanet.dk a:mail.tandborg.dk a:backup-mx.zitcom.dk -all

📨 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)

🔐 DNSSEC61ms

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

🏷️ SOA0ms

Field	Value
Serial	2026032501
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

30ms

A

34ms

MX

25ms

AAAA

29ms

TXT

165ms

CAA

27ms

HTTPS

34ms

TLSA

58ms

SOA

0ms

MTA-STS

49ms

DNSSEC

61ms

SRV

52ms

Total

534ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 17:43:26	534ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-27 16:54:34	720ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-26 21:06:39	611ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-20 15:27:54	5089ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-27 00:58:45	630ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-20 16:04:21	1144ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 12:08:06	1146ms	2 NS 1 A 2 MX	🔒 Secure	View