rextech.dk

📜 Historical scan 2026-06-26 09:14:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rextech.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 27 November 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.144 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.spamfilter.io. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 63ms

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 Records#

1 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.144	43200s	linux259.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 80ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mx.spamfilter.io	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	mail.rextech.dk → 5.103.14.21

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 289ms

TXT Record
j2shjaseempi6n3pgffuingm1i
v=spf1 mx a include:web.shared.mysmtp.com ~all

✉️ SPF#

Policy	Record (rextech.dk)
~all (soft fail)	v=spf1 mx a include:web.shared.mysmtp.com ~all

📨 DMARC#

Policy	Record (_dmarc.rextech.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:administrator@rextech.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-19 00:38:47

www	46.30.215.132 2a02:2350:5:106:25:e4dc:7937:f4c7 (AS51468) (address records, no CNAME)
www vs bare domain	Same network rextech.dk: 46.30.215.132 2a02:2350:5:106:25:e4dc:7937:f4c7 (AS51468) www.rextech.dk: 46.30.215.132 2a02:2350:5:106:25:e4dc:7937:f4c7 (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

1 records 79ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.spamfilter.io	DANE-EE · SPKI · SHA-256	9A25F05F2E322DABDCC9B7A06AB47A2D…

🔐 DNSSEC#

96ms

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

🏷️ SOA#

35ms

Field	Value
Serial	2026040401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-12 15:33:45

Field	Value
Registrar	ONE.COM A/S
Registered	2001-11-27
Expires	2030-12-31 (1533d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
aeldresagen-odense.dk	ONE.COM A/S
sharkspool.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

63ms

40ms

80ms

AAAA

47ms

TXT

289ms

CAA

33ms

HTTPS

82ms

TLSA

79ms

SOA

35ms

MTA-STS

47ms

DNSSEC

96ms

SRV

138ms

Total

740ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 00:38:47	1583ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-12 15:11:56	1566ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 13:22:00	722ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 00:46:39	990ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-16 00:01:19	4995ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 09:14:32 shown	740ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 20:20:10	577ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 10:26:26	2182ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 07:01:30	2642ms	2 NS 1 A 1 MX	🔒 Secure