doctri.dk

📜 Historical scan 2026-10-02 18:22:26  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

doctri.dk is a .dk domain served by 3 nameservers (ns1.xel.nl, ns2.xel.nl, ns3.xel.nl). It was registered on 14 May 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.154.226.35 is hosted by BIT BV (AS12859) in The Netherlands. Mail is handled by mx1.xel.nl, mx11.xel.nl and 2 more. The zone is not DNSSEC-signed, 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#

3 records   61ms
NameserverIP addressesPTRASN / ISP
ns1.xel.nl 2001:7b8:620:1::d59a:e20a
213.154.226.10		 —
—		 AS12859 BIT BV
AS12859 BIT BV
ns2.xel.nl 2001:7b8:620:1::d59a:e214
213.154.226.20		 —
—		 AS12859 BIT BV
AS12859 BIT BV
ns3.xel.nl 2a01:4f8:190:610e::2
78.46.142.112		 —
static.112.142.46.78.clients.your-server.de		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH

🌍 A Records#

1 records   58ms
IPTTLPTRASNISP / OrgCIDRCountryCity
213.154.226.35 1200s — AS12859 BIT BV 213.154.224.0/19 🇳🇱 The Netherlands Duiven

📧 MX Records#

4 records   48ms
PriorityTTLMail ServerIP addressesPTRASN
10 1200s mx1.xel.nl 2001:7b8:620:1::d59a:e204
213.154.226.4		 —
mx1.xel.nl		 AS12859 BIT BV
AS12859 BIT BV
10 1200s mx11.xel.nl 2001:7b8:620:1::d59a:e219
213.154.226.25		 —
mx11.xel.nl		 AS12859 BIT BV
AS12859 BIT BV
10 1200s mx2.xel.nl 2001:7b8:620:1::d59a:e205
213.154.226.5		 —
mx2.xel.nl		 AS12859 BIT BV
AS12859 BIT BV
15 1200s mx3.xel.nl 2001:7b8:620:1::d59a:e203
213.154.226.3		 mx3.xel.nl
mx3.xel.nl		 AS12859 BIT BV
AS12859 BIT BV

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover213.154.226.35
🔶 Autoconfig213.154.226.35

🔷 AAAA Records (IPv6)#

1 records   62ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2001:7b8:620:1::d59a:e223 1200s — AS12859 BIT BV 2001:7b8:0:0:0:0:0:0/29 🇳🇱 The Netherlands —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   159ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 5 443 www.xel.nl

📝 TXT Records#

1 records   396ms
TXT Record
v=spf1 a mx -all

✉️ SPF#

PolicyRecord (doctri.dk)
-all (hard fail) v=spf1 a mx -all

📨 DMARC#

PolicyRecord (_dmarc.doctri.dk)
p=reject v=DMARC1;p=reject

📬 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 04:11:11
www213.154.226.35 2001:7b8:620:1::d59a:e223 (AS12859) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

4 records   1590ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.xel.nl DANE-EE · SPKI · SHA-256 2CD160DE85679884691059310FDDC5BD…
SMTP _25._tcp.mx11.xel.nl DANE-EE · SPKI · SHA-256 2CD160DE85679884691059310FDDC5BD…
SMTP _25._tcp.mx2.xel.nl DANE-EE · SPKI · SHA-256 2CD160DE85679884691059310FDDC5BD…
SMTP _25._tcp.mx3.xel.nl DANE-EE · SPKI · SHA-256 2CD160DE85679884691059310FDDC5BD…

🔐 DNSSEC#

107ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

47ms
FieldValue
Serial2026100101
Primary NS (MNAME)ns1.xel.nl
Responsible (RNAME)hostmaster@doctri.dk
Refresh14400s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-08 19:05:43
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2021-05-14
Expires2027-05-31 (226d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
61ms
A
58ms
MX
48ms
AAAA
62ms
TXT
396ms
CAA
57ms
HTTPS
68ms
TLSA
1590ms
SOA
47ms
MTA-STS
128ms
DNSSEC
107ms
SRV
159ms
Total
10341ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 04:11:11 853ms 3 NS 1 A 4 MX 🔓 Insecure
2026-10-08 18:54:59 1446ms 3 NS 1 A 4 MX 🔓 Insecure
2026-10-02 18:22:26 shown 10341ms 3 NS 1 A 4 MX 🔓 Insecure
2026-10-01 18:19:43 1540ms 3 NS 1 A 4 MX 🔓 Insecure
2026-09-24 17:02:23 2255ms 3 NS 1 A 4 MX 🔓 Insecure
2026-09-23 16:15:33 1548ms 3 NS 1 A 4 MX 🔓 Insecure
2026-09-17 00:08:41 1778ms 3 NS 1 A 4 MX 🔓 Insecure
2026-09-03 21:48:11 2849ms 3 NS 1 A 4 MX 🔓 Insecure
2026-08-28 02:20:20 1494ms 3 NS 1 A 4 MX 🔓 Insecure
2026-08-26 00:55:17 4783ms 3 NS 1 A 4 MX 🔓 Insecure
2026-08-20 17:11:19 16284ms 3 NS 1 A 4 MX 🔓 Insecure
2026-08-14 20:33:54 18110ms 3 NS 1 A 4 MX 🔓 Insecure
2026-08-10 02:57:36 9690ms 3 NS 1 A 4 MX 🔓 Insecure
2026-08-06 19:17:49 13695ms 3 NS 1 A 4 MX 🔓 Insecure
2026-08-05 09:18:56 1539ms 3 NS 1 A 4 MX 🔓 Insecure
2026-07-23 04:39:16 1799ms 3 NS 1 A 4 MX ❓ Unknown
2026-07-17 14:23:40 2326ms 3 NS 1 A 4 MX ❓ Unknown
2026-07-10 19:09:13 18393ms 3 NS 1 A 4 MX ❓ Unknown
2026-07-08 12:35:11 17989ms 3 NS 1 A 4 MX 🔓 Insecure
2026-07-04 18:46:05 3349ms 3 NS 1 A 4 MX 🔓 Insecure
2026-07-03 14:52:56 6212ms 3 NS 1 A 4 MX 🔓 Insecure
2026-06-26 13:13:43 15446ms 3 NS 1 A 4 MX 🔓 Insecure
2026-06-23 21:20:14 1160ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-20 17:03:04 3313ms 3 NS 1 A 4 MX 🔓 Insecure
2026-06-17 04:15:30 26172ms 3 NS 1 A 4 MX 🔓 Insecure
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