treco.dk

📜 Historical scan 2026-09-30 06:04:11  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

treco.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 198.202.211.1 is hosted by Cloudflare London, LLC (AS209242) in United States. Mail is handled by treco-dk.k-v1.mx.microsoft. 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   47ms
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   36ms
IPTTLPTRASNISP / OrgCIDRCountryCity
198.202.211.1 600s — AS209242 Cloudflare London, LLC 198.202.211.0/24 🇺🇸 United States —

📧 MX Records#

1 records   36ms
PriorityTTLMail ServerIP addressesPTRASN
1 3600s treco-dk.k-v1.mx.microsoft 2a01:111:f403:ca04::d
2a01:111:f403:ca04::f
2a01:111:f403:ca09::22
2a01:111:f403:ca21::e
52.101.68.10
52.101.68.21
52.101.68.25
52.101.91.153		 mail-db6pr03cu00105.inbound.protection.outlook.com
mail-db7pr03cu00507.inbound.protection.outlook.com
mail-am7pr02cu00302.inbound.protection.outlook.com
mail-matpr04cu00306.inbound.protection.outlook.com
mail-dbbpr03cu00102.inbound.protection.outlook.com
mail-db4pr02cu00205.inbound.protection.outlook.com
mail-db8pr02cu00101.inbound.protection.outlook.com
mail-matpr04cu00101.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   64ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 0 1 5061 sipdir.online.lync.com

📝 TXT Records#

8 records   152ms
TXT Record
_globalsign-domain-verification=kKwV_73bSx6zZIMIuqKirqt014ZZpY0pc4vXMY84Xh
apple-domain-verification=eCSWeVaG5e31ycQw
brevo-code:edcff7fb54aba1f9ea98056854093f73
facebook-domain-verification=3nf33t32ad6p3jkh1nud3p3rete1o6
google-site-verification=59qdAH1oKwuFji8cbxEqfZBoNqw1gwczkRjYCxMJv3M
google-site-verification=7kNzMC3fDwFzipmUEa5wbqTKCDF0edD1onsCquxmdLM
google-site-verification=eOyF5klB7PXLPOOGwoKwB26I92RU-P6NwVfDqvBgJKE
v=spf1 mx a include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ip4:195.41.178.0/24 ip4:194.239.1.182 ip4:52.164.205.31 include:145609952.spf03.hubspotemail.net -all

✉️ SPF#

PolicyRecord (treco.dk)
-all (hard fail) v=spf1 mx a include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ip4:195.41.178.0/24 ip4:194.239.1.182 ip4:52.164.205.31 include:145609952.spf03.hubspotemail.net -all

📨 DMARC#

PolicyRecord (_dmarc.treco.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:dmarc@treco.dk; ruf=mailto:dmarc@treco.dk; sp=none; ri=86400

📬 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 2026-10-13 01:59:48
www CNAMEcdn.webflow.com (all on webflow.com)
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: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

4 records   508ms
Service / OwnerTypeCert association
SMTP _25._tcp.treco-dk.k-v1.mx.microsoft DANE-EE · SPKI · SHA-256 803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.treco-dk.k-v1.mx.microsoft DANE-TA · Full cert · SHA-256 C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.treco-dk.k-v1.mx.microsoft DANE-EE · SPKI · SHA-256 54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.treco-dk.k-v1.mx.microsoft DANE-TA · Full cert · SHA-256 EA7A25255D111FC3CE4CB8FABE3ADF9C…

🔐 DNSSEC#

110ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

33ms
FieldValue
Serial2026092901
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-13 07:46:54
FieldValue
RegistrarPunktum dk A/S (direct)
Registered1997-01-31
Expires2027-03-31 (156d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
47ms
A
36ms
MX
36ms
AAAA
40ms
TXT
152ms
CAA
32ms
HTTPS
30ms
TLSA
508ms
SOA
33ms
MTA-STS
48ms
DNSSEC
110ms
SRV
64ms
Total
1261ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 18:12:11 2270ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-30 06:04:11 shown 1261ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-26 05:11:00 1790ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-23 14:40:38 2285ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-03 22:08:10 2420ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-29 20:50:58 1467ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-24 18:21:38 1038ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-21 19:04:27 1611ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-21 11:57:02 1176ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-21 04:36:24 1369ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-17 22:10:35 1806ms 2 NS 1 A 1 MX 🔒 Secure
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