doctri.dk
📜 Historical scan 2026-07-23 04:39:16  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   43ms
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 Records1 records   64ms
IPTTLPTRASNISP / OrgCIDRCountryCity
213.154.226.35 1200s 35.0-24.226.154.213.in-addr.arpa AS12859 BIT BV 213.154.224.0/19 🇳🇱 The Netherlands Arnhem
📧 MX Records4 records   51ms
PriorityTTLMail ServerIP addressesPTRASN
10 1200s mx1.xel.nl 2001:7b8:620:1::d59a:e204
213.154.226.4
213.154.226.4		 mx1.xel.nl
4.0-24.226.154.213.in-addr.arpa
mx1.xel.nl		 AS12859 BIT BV
AS12859 BIT BV
AS12859 BIT BV
10 1200s mx11.xel.nl 2001:7b8:620:1::d59a:e219
213.154.226.25
213.154.226.25		 mx11.xel.nl
25.0-24.226.154.213.in-addr.arpa
mx11.xel.nl		 AS12859 BIT BV
AS12859 BIT BV
AS12859 BIT BV
10 1200s mx2.xel.nl 2001:7b8:620:1::d59a:e205
213.154.226.5
213.154.226.5		 mx2.xel.nl
5.0-24.226.154.213.in-addr.arpa
mx2.xel.nl		 AS12859 BIT BV
AS12859 BIT BV
AS12859 BIT BV
15 1200s mx3.xel.nl 2001:7b8:620:1::d59a:e203
213.154.226.3
213.154.226.3		 mx3.xel.nl
3.0-24.226.154.213.in-addr.arpa
mx3.xel.nl		 AS12859 BIT BV
AS12859 BIT BV
AS12859 BIT BV
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover213.154.226.35
🔶 Autoconfig213.154.226.35
🔷 AAAA Records (IPv6)1 records   53ms
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 Records1 records   170ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 5 443 www.xel.nl
📝 TXT Records1 records   543ms
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
🔗 TLSA / DANE4 records   175ms
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…
🔐 DNSSEC153ms
CheckResult
Validation Status❓ Unknown
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsbroken trust chain resolving 'doctri.dk/DNSKEY/IN': 127.0.0.1#53
🏷️ SOA0ms
FieldValue
Serial2026072301
Primary NS (MNAME)ns1.xel.nl
Responsible (RNAME)hostmaster@doctri.dk
Refresh14400s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
43ms
A
64ms
MX
51ms
AAAA
53ms
TXT
543ms
CAA
50ms
HTTPS
60ms
TLSA
175ms
SOA
0ms
MTA-STS
142ms
DNSSEC
153ms
SRV
170ms
Total
1799ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-03 21:48:11 2849ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-08-28 02:20:20 1494ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-08-26 00:55:17 4783ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-08-20 17:11:19 16284ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-08-14 20:33:54 18110ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-08-10 02:57:36 9690ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-08-06 19:17:49 13695ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-08-05 09:18:56 1539ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-07-23 04:39:16 1799ms 3 NS 1 A 4 MX ❓ Unknown View
2026-07-17 14:23:40 2326ms 3 NS 1 A 4 MX ❓ Unknown View
2026-07-10 19:09:13 18393ms 3 NS 1 A 4 MX ❓ Unknown View
2026-07-08 12:35:11 17989ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-07-04 18:46:05 3349ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-07-03 14:52:56 6212ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-06-26 13:13:43 15446ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-06-23 21:20:14 1160ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 17:03:04 3313ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-06-17 04:15:30 26172ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-06-17 04:11:56 2566ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-06-17 04:02:41 1344ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-06-17 04:01:10 1046ms 3 NS 1 A 4 MX 🔓 Insecure View
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