zentac.dk DNS records

🖥️ Nameservers2 records 35ms

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 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.161.88.43	3600s	93-161-88-43-static.dk.customer.tdc.net	AS3292	TDC Holding A/S	93.160.0.0/14	🇩🇰 Denmark	Hillerød

📧 MX Records1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. 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

📝 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	fully validated

🏷️ SOA0ms

Field	Value
Serial	2026062701
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

35ms

A

44ms

MX

38ms

AAAA

69ms

TXT

121ms

CAA

52ms

HTTPS

64ms

TLSA

41ms

SOA

0ms

MTA-STS

70ms

DNSSEC

118ms

SRV

60ms

Total

485ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-16 14:09:03	986ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-15 10:00:53	731ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-14 05:22:38	2459ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-11 12:20:44	3685ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-10 11:03:08	910ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-09 08:51:24	760ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-06 13:48:05	922ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-05 03:54:48	936ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-31 09:57:32	8584ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-28 16:02:03	912ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-27 14:48:39	1036ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-26 14:39:54	684ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-25 14:20:00	559ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-24 14:04:13	889ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-23 12:15:52	16600ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-22 11:12:03	733ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-21 09:06:45	974ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-20 04:48:35	2744ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-19 02:28:46	521ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-18 02:08:11	631ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-06 00:28:14	632ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 12:11:11	485ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 03:07:47	2347ms	2 NS 1 A 0 MX	🔒 Secure	View