cej.dk

📜 Historical scan 2026-09-20 00:51:12  ·  ← 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   118ms
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   124ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.224.18.20 3600s — AS205206 Netsite A/S 185.224.16.0/22 🇩🇰 Denmark —

📧 MX Records#

2 records   91ms
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 → 40.104.116.40
🔶 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   207ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 0 1 5061 sipfed.online.lync.com

📝 TXT Records#

5 records   254ms
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   347ms
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#

174ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026091001
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
118ms
A
124ms
MX
91ms
AAAA
105ms
TXT
254ms
CAA
117ms
HTTPS
114ms
TLSA
347ms
SOA
0ms
MTA-STS
116ms
DNSSEC
174ms
SRV
207ms
Total
1308ms

🕐 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 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 shown 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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