bo4200.dk

📜 Historical scan 2026-06-22 00:56:25  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bo4200.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 September 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.191 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is DNSSEC-signed but currently fails validation, publishes a DMARC policy and has no IPv6 address. 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#

2 records   204ms

🌍 A Records#

1 records   349ms

📧 MX Records#

4 records   223ms

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records   558ms
TXT Record
S0J0A87263
v=spf1 -all
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (bo4200.dk)
-all (hard fail) v=spf1 -all
-all (hard fail) v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

PolicyRecord (_dmarc.bo4200.dk)
p=reject v=DMARC1; p=reject, sp=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 2026-10-19 11:14:25
www195.47.247.18 (AS51468) (address records, no CNAME)
www vs bare domainSame network
bo4200.dk: 195.47.247.18 (AS51468)
www.bo4200.dk: 195.47.247.18 (AS51468)
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

  • error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

4 records   281ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…

🔐 DNSSEC#

510ms
CheckResult
Validation Status⚠️ Bogus
AD Flag (resolver validates)✗ Not set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsbroken trust chain resolving 'bo4200.dk/A/IN': 127.0.0.1#53

🏷️ SOA#

217ms
FieldValue
Serial2026032501
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-11 13:46:31
FieldValue
RegistrarONE.COM A/S
Registered2005-09-10
Expires2028-07-31 (650d)

🔗 Same registrant#

86 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
24p.dkONE.COM A/S
24sjaellandske.dkONE.COM A/S
allerød-nyt.dkONE.COM A/S
bha.dkONE.COM A/S
bilsjaelland.dkONE.COM A/S
birkerød-avis.dkONE.COM A/S
birkerødavis.dkONE.COM A/S
bo4700.dkONE.COM A/S
boligsjaelland.dkONE.COM A/S
by-og-land.dkONE.COM A/S
dagb.dkONE.COM A/S
dagbladenegefion.dkONE.COM A/S
dagbladet-faa.dkONE.COM A/S
dagbladet-koege.dkONE.COM A/S
dagbladetonline.dkONE.COM A/S
det-groenne-omraade.dkONE.COM A/S
detgrønneområde.dkONE.COM A/S
dgo.dkONE.COM A/S
dithelsingoer.dkONE.COM A/S
dithelsingør.dkONE.COM A/S
faxebugten.dkONE.COM A/S
fmc-as.dkONE.COM A/S
folkebladet.dkONE.COM A/S
gladsaxe-bladet.dkONE.COM A/S
gladsaxebladet.dkONE.COM A/S
halsnæs-avis.dkONE.COM A/S
helsingoernu.dkONE.COM A/S
hillerod-posten.dkONE.COM A/S
hilleroed-mediecenter.dkONE.COM A/S
hilleroed-posten.dkONE.COM A/S
hillerødavis.dkONE.COM A/S
hillerødposten.dkONE.COM A/S
hip.dkONE.COM A/S
holbaek-city.dkONE.COM A/S
julefrokostavisen.dkONE.COM A/S
kalundborg-folkeblad.dkONE.COM A/S
kalundborgweekend.dkONE.COM A/S
koge-onsdag.dkONE.COM A/S
korsoercity.dkONE.COM A/S
korsoershop.dkONE.COM A/S
køgeonsdag.dkONE.COM A/S
lavselvannonce.dkPunktum dk A/S (direct)
lavselvannoncer.dkONE.COM A/S
lokalavisen-køge.dkONE.COM A/S
lokalavisenfuresø.dkONE.COM A/S
lokalavisenhelsingør.dkONE.COM A/S
lokalavisenhoersholm.dkONE.COM A/S
lokalbladet-ringsted.dkONE.COM A/S
mediepakke.dkONE.COM A/S
mediepakker.dkONE.COM A/S
midttryk.dkONE.COM A/S
naestvedtidende.dkONE.COM A/S
nordvest.dkONE.COM A/S
nytomnordsjaelland.dkONE.COM A/S
odsherredsposten.dkONE.COM A/S
radiokoege.dkONE.COM A/S
roskilde-avis.dkONE.COM A/S
roskildeavis.dkONE.COM A/S
roskildemediecenter.dkONE.COM A/S
roskildenu.dkONE.COM A/S
rudersdalavis.dkONE.COM A/S
rudersdalposten.dkONE.COM A/S
rudersdaltidende.dkONE.COM A/S
sj-medier.dkONE.COM A/S
sj-webrubrik.dkONE.COM A/S
sjaellandsgruppen.dkONE.COM A/S
sjaellandskenyheder.dkONE.COM A/S
sjmail.dkONE.COM A/S
sjmedier.dkONE.COM A/S
sjnyheder.dkONE.COM A/S
skarppris.dkONE.COM A/S
slagelsemegacenter.dkONE.COM A/S
sn.dkONE.COM A/S
soborgbladet.dkONE.COM A/S
soroenu.dkONE.COM A/S
sydkysten.dkONE.COM A/S
teamrødovre.dkSimply.com A/S
tnvs.dkONE.COM A/S
trykkerietnordvest.dkONE.COM A/S
tvdanmark-vestsj.dkONE.COM A/S
ugebladetsydsjælland-online.dkPunktum dk A/S (direct)
ugenytrudersdal.dkONE.COM A/S
ugeposten.dkONE.COM A/S
villabyerne.dkONE.COM A/S
vordingborgnu.dkONE.COM A/S
værløsenyt.dkONE.COM A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
204ms
A
349ms
MX
223ms
AAAA
309ms
TXT
558ms
CAA
256ms
HTTPS
318ms
TLSA
281ms
SOA
217ms
MTA-STS
318ms
DNSSEC
510ms
SRV
366ms
Total
2451ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-19 11:14:25 1541ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-14 07:50:48 365ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-24 22:41:00 634ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-24 00:24:45 800ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-27 16:19:50 912ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-04 10:58:04 3530ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-22 00:56:25 shown 2451ms 2 NS 1 A 4 MX ⚠️ Bogus
2026-06-21 14:01:34 918ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-16 15:15:17 612ms 2 NS 1 A 4 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone