holtecdata.dk DNS records

🖥️ Nameservers2 records 57ms

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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.105.73.68	43200s	—	AS63949	Akamai Connected Cloud	172.105.0.0/17	🇩🇪 Germany	Frankfurt am Main

📧 MX Records4 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	dk.mx1.mailanyone.net	192.162.219.155 2a01:77c0:1619:4100:6fa6:1315:2bd2:51cd	mx41.electric.net mx11.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	3600s	dk.mx2.mx25.net	192.162.219.49	mx41.electric.net	AS16509 Amazon.com, Inc.
30	3600s	dk.mx3.mailanyone.net	192.162.219.255 2a01:77c0:1619:4101:d99:c22:fb4d:290e	mx41.electric.net mx10.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
40	3600s	dk.mx4.mx25.net	192.162.219.255	mx41.electric.net	AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 182ms

TXT Record
v=spf1 mx ip4:178.132.236.124 ip4:178.132.236.126 include:spf.protection.outlook.com include:spf.mailanyone.net include:centex.dk -all
vpe=da692cab

✉️ SPF

Policy	Record (holtecdata.dk)
-all (hard fail)	v=spf1 mx ip4:178.132.236.124 ip4:178.132.236.126 include:spf.protection.outlook.com include:spf.mailanyone.net include:centex.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 / DANE8 records 73ms

Service / Owner	Type	Cert association
SMTP _25._tcp.dk.mx1.mailanyone.net	DANE-EE · Full cert · SHA-256	443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx1.mailanyone.net	DANE-EE · Full cert · SHA-256	1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx2.mx25.net	DANE-EE · Full cert · SHA-256	443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx2.mx25.net	DANE-EE · Full cert · SHA-256	1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx3.mailanyone.net	DANE-EE · Full cert · SHA-256	443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx3.mailanyone.net	DANE-EE · Full cert · SHA-256	1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx4.mx25.net	DANE-EE · Full cert · SHA-256	443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx4.mx25.net	DANE-EE · Full cert · SHA-256	1AAAC405385DEB66C25E43D629569F6C…

🔐 DNSSEC82ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081201
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

57ms

A

36ms

MX

42ms

AAAA

54ms

TXT

182ms

CAA

63ms

HTTPS

56ms

TLSA

73ms

SOA

0ms

MTA-STS

66ms

DNSSEC

82ms

SRV

78ms

Total

928ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 10:05:48	928ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-13 04:02:04	4022ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-20 07:33:18	1599ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-15 11:08:26	1384ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-27 00:56:11	886ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-24 03:20:18	5306ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-20 16:16:55	964ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 14:23:33	730ms	2 NS 1 A 4 MX	🔒 Secure	View