tre.dk

📜 Historical scan 2026-10-05 12:42:21  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tre.dk is a .dk domain served by 5 nameservers (nordic1.dnsnode.net, ns.hi3gaccess.se, ns2.hi3gaccess.se and 2 more). It was registered on 29 March 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.251.200.7 is hosted by Hi3G Access AB (AS44034) in Sweden. Mail is handled by 3-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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#

5 records   31ms
NameserverIP addressesPTRASN / ISP
nordic1.dnsnode.net 194.58.192.32
2a01:3f1:32::53		 nordic1.dnsnode.net
nordic1.dnsnode.net		 AS8674 Netnod AB
AS8674 Netnod AB
ns.hi3gaccess.se 2a02:aa0::53
80.251.192.244		 ns.hi3gaccess.se
ns.hi3gaccess.se		 AS44034 Hi3G Access AB
AS44034 Hi3G Access AB
ns2.hi3gaccess.se 2a02:aa0::54
80.251.192.245		 ns2.hi3gaccess.se
ns2.hi3gaccess.se		 AS44034 Hi3G Access AB
AS44034 Hi3G Access AB
nsp.dnsnode.net 194.58.198.32
2a01:3f1:3032::53		 nsp.dnsnode.net
nsp.dnsnode.net		 AS56908 Netnod AB
AS56908 Netnod AB
nsu.dnsnode.net 185.42.137.98
2a01:3f0:400::32		 nsu.dnsnode.net
nsu.dnsnode.net		 AS8674 Netnod AB
AS8674 Netnod AB

🌍 A Records#

1 records   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
80.251.200.7 1200s — AS44034 Hi3G Access AB 80.251.192.0/20 🇸🇪 Sweden —

📧 MX Records#

1 records   43ms
PriorityTTLMail ServerIP addressesPTRASN
0 1200s 3-dk.mail.protection.outlook.com 52.101.181.156
52.101.185.24
52.101.68.10
52.101.91.162		 mail-wa4pr05cu00104.inbound.protection.outlook.com
mail-zrxpr07cu00100.inbound.protection.outlook.com
mail-dbbpr03cu00102.inbound.protection.outlook.com
mail-matpr04cu00302.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

1 records   42ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:aa0:28:a000::1007 1200s — AS44034 Hi3G Access AB 2a02:aa0:0:0:0:0:0:0/29 🇸🇪 Sweden —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   83ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 1 100 5061 sipfed.online.lync.com

📝 TXT Records#

6 records   228ms
TXT Record
_globalsign-domain-verification=cRKJsdrgOVVlOK5IqZGnTqfXQmgkCnTqzwrWJZCuW3
_globalsign-domain-verification=ooZyX5dwPlZr6MlRroUPrD3buoNbSRur5UcTfZhopl
_globalsign-domain-verification=WqaawjxkjWQrHPl63G07_AvEzFsNZe_2RFfL0Hs0th
MS=ms50317184
T75N7A2LgfvCDezObrcB4b63vACNbdUzpxjF54MivW1BAab7NsA0UJgInGKe7Jy2K5KHKE5vYny9piOwP2joTA==
v=spf1 include:tre.se include:support.zendesk.com -all

✉️ SPF#

PolicyRecord (tre.dk)
-all (hard fail) v=spf1 include:tre.se include:support.zendesk.com -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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 08:23:02
www80.251.200.7 2a02:aa0:28:a000::1007 (AS44034) (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: 10/10 · policy: -all

  • warn 10 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

117ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

30ms
FieldValue
Serial2026100500
Primary NS (MNAME)ns.hi3gaccess.se
Responsible (RNAME)hostmaster@tre.se
Refresh14400s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-15 08:10:28
FieldValue
RegistrarCSC Digital Brand Service, Inc
Registered2000-03-29
Expires2027-03-31 (165d)

🔗 Same registrant#

13 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
3.dkCSC Digital Brand Service, Inc
3business.dkCSC Digital Brand Service, Inc
3iot.dkCSC Digital Brand Service, Inc
3mail.dkCSC Digital Brand Service, Inc
3shop.dkCSC Digital Brand Service, Inc
3view.dkCSC Digital Brand Service, Inc
3webshop.dkCSC Digital Brand Service, Inc
business3.dkCSC Digital Brand Service, Inc
fremtidensbusiness.dkCSC Digital Brand Service, Inc
hi3gdenmark.dkCSC Digital Brand Service, Inc
mit3.dkCSC Digital Brand Service, Inc
mitoister.dkCSC Digital Brand Service, Inc
oister.dkCSC Digital Brand Service, Inc
📋 WHOIS#

⏱️ Lookup Timing#

NS
31ms
A
39ms
MX
43ms
AAAA
42ms
TXT
228ms
CAA
41ms
HTTPS
34ms
TLSA
1010ms
SOA
30ms
MTA-STS
95ms
DNSSEC
117ms
SRV
83ms
Total
1755ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 08:23:01 3569ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-13 23:33:30 1102ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-12 22:45:02 980ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-11 22:26:00 1668ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-09 18:33:59 1329ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-08 16:45:03 1859ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-07 16:16:36 4038ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-05 12:42:21 shown 1755ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-03 12:23:36 979ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-02 12:22:39 1546ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-01 21:25:41 3460ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-30 21:18:15 1269ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-29 23:49:16 2216ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-27 23:25:13 1185ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-26 23:12:12 1004ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-25 23:02:06 1102ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-23 21:51:29 1227ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-18 18:07:08 2119ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-16 21:57:18 2302ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-11 17:50:31 2278ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-04 12:47:33 2406ms 5 NS 1 A 1 MX 🔓 Insecure
2026-08-31 16:31:09 6510ms 5 NS 1 A 1 MX 🔓 Insecure
2026-08-31 08:45:10 2244ms 5 NS 1 A 1 MX 🔓 Insecure
2026-08-29 19:16:01 1914ms 5 NS 1 A 1 MX 🔓 Insecure
2026-08-26 19:22:44 2047ms 5 NS 1 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone