jpo.dk

📜 Historical scan 2026-06-24 15:04:50  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jpo.dk is a .dk domain served by 2 nameservers (cortney.ns.cloudflare.com, gabe.ns.cloudflare.com). It was registered on 20 January 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.3.52 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. 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#

2 records   165ms
NameserverIP addressesPTRASN / ISP
cortney.ns.cloudflare.com 108.162.192.87
172.64.32.87
173.245.58.87
2606:4700:50::adf5:3a57
2803:f800:50::6ca2:c057
2a06:98c1:50::ac40:2057		 cortney.ns.cloudflare.com
cortney.ns.cloudflare.com
cortney.ns.cloudflare.com
cortney.ns.cloudflare.com
cortney.ns.cloudflare.com
cortney.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
gabe.ns.cloudflare.com 108.162.193.114
172.64.33.114
173.245.59.114
2606:4700:58::adf5:3b72
2803:f800:50::6ca2:c172
2a06:98c1:50::ac40:2172		 gabe.ns.cloudflare.com
gabe.ns.cloudflare.com
gabe.ns.cloudflare.com
gabe.ns.cloudflare.com
gabe.ns.cloudflare.com
gabe.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   202ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.3.52 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.130.66 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   223ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

2 records   219ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::ac43:8242 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3034::6815:334 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   210ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.3.52,172.67.130.66 ech=AEX+DQBBYwAgACAjexajrns7TOzPx3/65oQd84RBL/t6pEGf6jGIUj/CcQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8242,2606:4700:3034::6815:334

📝 TXT Records#

1 records   722ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

PolicyRecord (jpo.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all

📨 DMARC#

PolicyRecord (_dmarc.jpo.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:0556787011a84c78a87b7775c73f94d2@dmarc-reports.cloudflare.net

📬 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 2026-10-17 06:01:44
www104.21.3.52 172.67.130.66 2606:4700:3030::ac43:8242 2606:4700:3034::6815:334 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records   2180ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

557ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

173ms
FieldValue
Serial2407211857
Primary NS (MNAME)cortney.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-17 06:40:33
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2013-01-20
Expires2027-01-31 (100d)

🔗 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
165ms
A
202ms
MX
223ms
AAAA
219ms
TXT
722ms
CAA
231ms
HTTPS
210ms
TLSA
2180ms
SOA
173ms
MTA-STS
226ms
DNSSEC
557ms
SRV
588ms
Total
6091ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 06:01:44 1416ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-14 04:13:23 1444ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-13 03:27:13 2073ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-07 17:27:55 827ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 16:15:49 593ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-09 05:30:31 2927ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-28 09:28:20 647ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-16 09:20:42 3211ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-09 12:30:21 16911ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-24 15:04:50 shown 6091ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-24 04:15:19 1166ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-22 07:13:03 2294ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-21 13:13:20 975ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-19 14:46:34 2292ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-18 00:33:34 1013ms 2 NS 2 A 1 MX 🔓 Insecure
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