rustbook.dk

Records from scan: 2026-10-15 10:28:47  ·  3152ms total  ·  last checked 2026-10-16 18:23 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rustbook.dk is a .dk domain served by 3 nameservers (ns4.hostonline.dk, ns5.hostonline.dk, ns6.hostonline.dk). It was registered on 8 October 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.195.185.220 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by he.hostonline.dk, mx-backup.hostonline.dk. The zone is DNSSEC-signed and validates, has no 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   34ms
NameserverIP addressesPTRASN / ISP
ns4.hostonline.dk 217.195.185.243
2a02:188:6004:14::10		 ns4.hostonline.dk
ns4.hostonline.dk		 AS31027 GlobalConnect A/S
AS31027 GlobalConnect A/S
ns5.hostonline.dk 217.195.185.244
2a02:188:6004:14::11		 ns5.hostonline.dk
ns5.hostonline.dk		 AS31027 GlobalConnect A/S
AS31027 GlobalConnect A/S
ns6.hostonline.dk 85.191.126.85 ns6.hostonline.dk AS204274 AURA Fiber A/S

🌍 A Records#

1 records   44ms
IPTTLPTRASNISP / OrgCIDRCountryCity
217.195.185.220 3600s webhotel12.hostonline.dk AS31027 GlobalConnect A/S 217.195.176.0/20 🇩🇰 Denmark Tilst

📧 MX Records#

2 records   42ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s he.hostonline.dk 217.195.185.200
2a02:188:164::100		 he.hostonline.dk
he.hostonline.dk		 AS31027 GlobalConnect A/S
AS31027 GlobalConnect A/S
30 43200s mx-backup.hostonline.dk 217.195.185.201
2a02:188:6004:15::12		 mx-backup.hostonline.dk
spamfront2.hostonline.dk		 AS31027 GlobalConnect A/S
AS31027 GlobalConnect A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscoverredirect.hostonline.dk → 217.195.185.209

🔷 AAAA Records (IPv6)#

1 records   34ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:188:6004:10::28 3600s webhotel12.hostonline.dk AS31027 GlobalConnect A/S 2a02:188:0:0:0:0:0:0/30 🇩🇰 Denmark Charlottenlund

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   125ms
TXT Record
v=spf1 a mx include:_spf.hostonline.dk -all

✉️ SPF#

PolicyRecord (rustbook.dk)
-all (hard fail) v=spf1 a mx include:_spf.hostonline.dk -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#

checked 2026-10-15 10:28:47
www CNAMErustbook.dk (all on rustbook.dk)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 10 iterations · 8-byte salt · opt-out RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

113ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

45ms
FieldValue
Serial2026101502
Primary NS (MNAME)ns4.hostonline.dk
Responsible (RNAME)hostmaster@hostonline.dk
Refresh86400s
Retry7200s
Expire3600000s
Minimum (neg-cache TTL)172800s

📋 Registration#

WHOIS fetched 2026-10-15 10:38:18
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2021-10-08
Expires2027-10-07 (354d)

🔗 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
34ms
A
44ms
MX
42ms
AAAA
34ms
TXT
125ms
CAA
51ms
HTTPS
34ms
TLSA
2589ms
SOA
45ms
MTA-STS
45ms
DNSSEC
113ms
SRV
51ms
Total
3152ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 10:28:47 shown 3152ms 3 NS 1 A 2 MX 🔒 Secure
2026-10-11 02:19:13 616ms 3 NS 1 A 2 MX 🔒 Secure
2026-10-05 07:03:13 1311ms 3 NS 1 A 2 MX 🔒 Secure
2026-10-01 06:45:28 533ms 3 NS 1 A 2 MX 🔒 Secure
2026-10-01 03:45:20 1141ms 3 NS 1 A 2 MX 🔒 Secure
2026-09-30 03:38:26 519ms 3 NS 1 A 2 MX 🔒 Secure
2026-09-25 16:36:51 2414ms 3 NS 1 A 2 MX 🔒 Secure
2026-09-21 12:06:15 831ms 3 NS 1 A 2 MX 🔒 Secure
2026-09-14 08:52:10 805ms 3 NS 1 A 2 MX 🔒 Secure
2026-09-07 06:43:58 2573ms 3 NS 1 A 2 MX 🔒 Secure
2026-09-03 07:38:18 825ms 3 NS 1 A 2 MX 🔒 Secure
2026-08-31 09:38:13 2895ms 3 NS 1 A 2 MX 🔒 Secure
2026-08-26 15:15:36 1972ms 3 NS 1 A 2 MX 🔒 Secure
2026-08-21 16:11:24 5242ms 3 NS 1 A 2 MX 🔒 Secure
2026-08-18 08:05:47 10046ms 3 NS 1 A 2 MX 🔒 Secure
2026-08-11 11:40:46 2960ms 3 NS 1 A 2 MX 🔒 Secure
2026-08-07 01:52:11 1005ms 3 NS 1 A 2 MX 🔒 Secure
2026-07-27 06:19:27 2777ms 3 NS 1 A 2 MX 🔒 Secure
2026-07-23 03:31:51 1629ms 3 NS 1 A 2 MX 🔒 Secure
2026-07-17 20:20:53 952ms 3 NS 1 A 2 MX 🔒 Secure
2026-07-08 17:14:59 16974ms 3 NS 1 A 2 MX 🔒 Secure
2026-07-02 22:13:00 3320ms 3 NS 1 A 2 MX 🔒 Secure
2026-06-29 22:53:39 637ms 3 NS 1 A 2 MX 🔒 Secure
2026-06-29 20:49:48 1636ms 3 NS 1 A 2 MX 🔒 Secure
2026-06-25 11:21:11 2872ms 3 NS 1 A 2 MX 🔒 Secure
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