rextech.dk

📜 Historical scan 2026-09-07 00:46:39  ·  ← 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 46.30.215.156 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx.spamfilter.io. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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   128ms
NameserverIP addressesPTRASN / 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   113ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.156 3600s webcluster1.webpod17-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen

📧 MX Records#

1 records   148ms
PriorityTTLMail ServerIP addressesPTRASN
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#

ServiceCNAME / IP
🔷 Autodiscovermail.rextech.dk → 5.103.14.21
🔶 Autoconfig46.30.215.156

🔷 AAAA Records (IPv6)#

1 records   109ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:106:e1:ba2d:406c:e9db 3600s — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   259ms
TXT Record
j2shjaseempi6n3pgffuingm1i
v=spf1 mx a include:web.shared.mysmtp.com ~all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_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
www46.30.215.132 2a02:2350:5:106:25:e4dc:7937:f4c7 (AS51468) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

1 records   204ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.spamfilter.io DANE-EE · SPKI · SHA-256 9A25F05F2E322DABDCC9B7A06AB47A2D…

🔐 DNSSEC#

201ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026090412
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-12 15:33:45
FieldValue
RegistrarONE.COM A/S
Registered2001-11-27
Expires2030-12-31 (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).

DomainRegistrar
aeldresagen-odense.dkONE.COM A/S
sharkspool.dkONE.COM A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
128ms
A
113ms
MX
148ms
AAAA
109ms
TXT
259ms
CAA
113ms
HTTPS
244ms
TLSA
204ms
SOA
0ms
MTA-STS
144ms
DNSSEC
201ms
SRV
246ms
Total
990ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 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 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
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