doctri.dk

Records from scan: 2026-10-16 04:11:11  ·  853ms total
⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records   55ms
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   44ms
IPTTLPTRASNISP / OrgCIDRCountryCity
213.154.226.35 1200s — AS12859 BIT BV 213.154.224.0/19 🇳🇱 The Netherlands Utrecht

📧 MX Records#

4 records   52ms
PriorityTTLMail ServerIP addressesPTRASN
10 1200s mx1.xel.nl 2001:7b8:620:1::d59a:e204
213.154.226.4		 mx1.xel.nl
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
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
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   43ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2001:7b8:620:1::d59a:e223 1200s — AS12859 BIT BV 2001:7b8:0:0:0:0:0:0/31 🇳🇱 The Netherlands —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   121ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 5 443 www.xel.nl

📝 TXT Records#

1 records   392ms
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#

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   106ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.xel.nl DANE-EE · SPKI · SHA-256 7BB2835D1567139CAA5C59F349C0DDC7…
SMTP _25._tcp.mx11.xel.nl DANE-EE · SPKI · SHA-256 7BB2835D1567139CAA5C59F349C0DDC7…
SMTP _25._tcp.mx2.xel.nl DANE-EE · SPKI · SHA-256 7BB2835D1567139CAA5C59F349C0DDC7…
SMTP _25._tcp.mx3.xel.nl DANE-EE · SPKI · SHA-256 7BB2835D1567139CAA5C59F349C0DDC7…

🔐 DNSSEC#

76ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

51ms
FieldValue
Serial2026101501
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
55ms
A
44ms
MX
52ms
AAAA
43ms
TXT
392ms
CAA
48ms
HTTPS
50ms
TLSA
106ms
SOA
51ms
MTA-STS
107ms
DNSSEC
76ms
SRV
121ms
Total
853ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 04:11:11 shown 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 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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