cej.dk

📜 Historical scan 2026-10-07 16:22:21  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cej.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 13 November 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.224.18.20 is hosted by Netsite A/S (AS205206) in Denmark. Mail is handled by eu-esec-01.heimdalsecurity.com, eu-esec-02.heimdalsecurity.com. The zone is DNSSEC-signed and validates, 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   33ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S

🌍 A Records#

1 records   28ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.224.18.20 3600s — AS205206 Netsite A/S 185.224.16.0/22 🇩🇰 Denmark —

📧 MX Records#

2 records   28ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s eu-esec-01.heimdalsecurity.com 20.50.183.144
20.50.183.146		 eu-esec-01.heimdalsecurity.com
eu-esec-01.heimdalsecurity.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
10 43200s eu-esec-02.heimdalsecurity.com 20.50.183.144
20.50.183.146		 eu-esec-01.heimdalsecurity.com
eu-esec-01.heimdalsecurity.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 52.98.154.136
🔶 Autoconfig185.224.18.20

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   56ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 0 1 5061 sipfed.online.lync.com

📝 TXT Records#

5 records   183ms
TXT Record
apple-domain-verification=fiB7ZBczDe14xCas
google-site-verification=VaTINX8kxdQoNrSFRm-4c1jNsJyEGsL2s153CHk_Rb0
MS=ms72145030
t2MClWM5xOMBQSSSG72EuD/tOuJuJm/XTrEzK3mLF/GiEY+RK24Y+pVXG1wt/pcvsZ+BSaL05rCdsX8o1eI/EQ==
v=spf1 ip4:185.224.16.162 ip4:178.72.22.130 ip4:185.224.16.163 ip4:185.224.16.161 ip4:23.97.225.92 ip4:185.21.40.116 ip4:62.199.210.126 ip4:86.58.182.35 ip4:86.58.182.36 ip4:213.32.173.100 ip4:170.118.230.210 include:spf.protection.outlook.com include:spf.simply.com include:spf.lmmail.dk include:spf-westeu.emailsignatures365.com include:spf-esec.heimdalsecurity.com -all

✉️ SPF#

PolicyRecord (cej.dk)
-all (hard fail) v=spf1 ip4:185.224.16.162 ip4:178.72.22.130 ip4:185.224.16.163 ip4:185.224.16.161 ip4:23.97.225.92 ip4:185.21.40.116 ip4:62.199.210.126 ip4:86.58.182.35 ip4:86.58.182.36 ip4:213.32.173.100 ip4:170.118.230.210 include:spf.protection.outlook.com include:spf.simply.com include:spf.lmmail.dk include:spf-westeu.emailsignatures365.com include:spf-esec.heimdalsecurity.com -all

📨 DMARC#

PolicyRecord (_dmarc.cej.dk)
p=reject v=DMARC1; p=reject; rua=mailto:kcja9y0w@ag.eu.dmarcian.com; ruf=mailto:kcja9y0w@fr.eu.dmarcian.com;

📬 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 2026-10-12 22:04:42
www185.224.18.20 (AS205206) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records   127ms
Service / OwnerTypeCert association
SMTP _25._tcp.eu-esec-01.heimdalsecurity.com DANE-EE · SPKI · SHA-256 2E8933DD6DB99304A5A9D5C4ECDE7B8E…
SMTP _25._tcp.eu-esec-02.heimdalsecurity.com DANE-EE · SPKI · SHA-256 2E8933DD6DB99304A5A9D5C4ECDE7B8E…

🔐 DNSSEC#

59ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

34ms
FieldValue
Serial2026092301
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-09 19:29:39
FieldValue
RegistrarONE.COM A/S
Registered1997-11-13
Expires2026-12-31 (73d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
33ms
A
28ms
MX
28ms
AAAA
32ms
TXT
183ms
CAA
30ms
HTTPS
30ms
TLSA
127ms
SOA
34ms
MTA-STS
58ms
DNSSEC
59ms
SRV
56ms
Total
519ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-12 22:04:42 800ms 2 NS 1 A 2 MX 🔒 Secure
2026-10-09 19:07:13 2828ms 2 NS 1 A 2 MX 🔒 Secure
2026-10-08 16:26:27 1034ms 2 NS 1 A 2 MX 🔒 Secure
2026-10-07 16:22:21 shown 519ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-23 15:48:20 914ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-20 00:51:12 1308ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-05 22:27:16 1333ms 2 NS 1 A 2 MX 🔒 Secure
2026-08-22 20:17:44 5028ms 2 NS 1 A 2 MX 🔒 Secure
2026-08-12 22:20:58 3355ms 2 NS 1 A 2 MX 🔒 Secure
2026-07-24 18:51:08 1248ms 2 NS 1 A 2 MX 🔒 Secure
2026-07-18 03:07:43 8981ms 2 NS 1 A 2 MX 🔒 Secure
2026-07-16 18:10:40 2801ms 2 NS 1 A 2 MX 🔒 Secure
2026-07-02 00:53:18 944ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-16 21:25:42 51989ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-16 20:11:50 2122ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-16 20:05:53 489ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-16 20:00:06 705ms 2 NS 1 A 2 MX 🔒 Secure
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