rextech.dk

Records from scan: 2026-10-19 00:38:47  ·  1583ms total
⬇ 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 46.30.215.132 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   133ms
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   70ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.132 3600s webcluster1.webpod17-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen

📧 MX Records#

1 records   127ms
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

🔷 AAAA Records (IPv6)#

1 records   101ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:106:25:e4dc:7937:f4c7 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   336ms
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#

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   499ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.spamfilter.io DANE-EE · SPKI · SHA-256 9A25F05F2E322DABDCC9B7A06AB47A2D…

🔐 DNSSEC#

236ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

71ms
FieldValue
Serial2026101801
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
133ms
A
70ms
MX
127ms
AAAA
101ms
TXT
336ms
CAA
120ms
HTTPS
95ms
TLSA
499ms
SOA
71ms
MTA-STS
154ms
DNSSEC
236ms
SRV
161ms
Total
1583ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-19 00:38:47 shown 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 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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