certego.dk

📜 Historical scan 2026-09-21 03:45:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

certego.dk is a .dk domain served by 2 nameservers (dns1.cscdns.net, dns2.cscdns.net). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.16.8.119 is hosted by Amazon.com, Inc. (AS16509) in Ireland. Mail is handled by certego-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 40ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.cscdns.net	156.154.130.100 2610:a1:1022::100	spdns3.cscdns.net spdns3.cscdns.net	AS12008 Vercara, LLC AS12008 Vercara, LLC
dns2.cscdns.net	156.154.131.100 2610:a1:1023::100	ns9.bac.com ns3.euro909.com	AS12008 Vercara, LLC AS12008 Vercara, LLC

🌍 A Records#

1 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.16.8.119	600s	ec2-52-16-8-119.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	52.16.0.0/14	🇮🇪 Ireland	Dublin

📧 MX Records#

1 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	certego-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::a 2a01:111:f403:ca38::a 2a01:111:f403:ca48::e 52.101.209.153 52.101.68.12 52.101.68.36 52.101.91.159	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-matpr04cu00207.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 87ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

12 records 276ms

TXT Record
adobe-idp-site-verification=68b9b616e53f441d53f435b95baf7239e1ae6f078f997744956e15696ccf7ad2
anthropic-domain-verification-ek1n6z=c0VSyNG9AJ6bKGkd5AsEU8wY6
autodesk-domain-verification=hVZaW3H1OA23strkGLf_
DomainVerification=2W18QQ8ODKF59KQP0NXE0KKS0EMQH09YTWU51DJ9F53RAT1DI4SBWAG7DYFX3EEK
google-site-verification=FFGmH5iOQx5cvxKJVZTloVPpSwaJ9BiaPOiNBWUtXss
HfiWdf4jjq9KnNCIrpcY31cmyrddTHSNS9jraae6fbFZsIeBrweydYoL0+tILOi+yaLg9g0fIyszt+N90RP2Sg==
lucid-verification=<KT44hHPn6pfFqrTrWDFa>
mgb8rkfsnj6pz6rx59n80rkns80jkddb
MS=ms61229619
MS=ms98733850
openai-domain-verification=dv-4sz7VSDPyC86km3JXlsnVkCA
v=spf1 include:spf.protection.outlook.com include:_spf.netigate.se include:_spf.ntgt.de include:_spf.consignor.com ip4:212.247.191.166 -all

✉️ SPF#

Policy	Record (certego.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.netigate.se include:_spf.ntgt.de include:_spf.consignor.com ip4:212.247.191.166 -all

📨 DMARC#

Policy	Record (_dmarc.certego.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:c617a603d59c866@rep.dmarcanalyzer.com; ruf=mailto:c617a603d59c866@for.dmarcanalyzer.com; pct=100; fo=1

📬 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 2026-10-07 23:10:14

www CNAME	25043486.sites.hscoscdn-eu1.net (all on hscoscdn-eu1.net) → 141.101.90.96 141.101.90.97 141.101.90.98 141.101.90.99 2a06:98c1:3200::90:0 2a06:98c1:3200::90:1 2a06:98c1:3200::90:2 2a06:98c1:3200::90:3 (AS13335)
www vs bare domain	Different networks certego.dk: 54.155.161.11 54.171.234.148 (AS16509) www.certego.dk: 141.101.90.96 141.101.90.97 141.101.90.98 141.101.90.99 (AS13335) (all like this)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-certego-dk._domainkey.certegogroup.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

77ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2014092304
Primary NS (MNAME)	dns1.cscdns.net
Responsible (RNAME)	hostmaster@cscdns.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	14400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

40ms

47ms

49ms

AAAA

52ms

TXT

276ms

CAA

53ms

HTTPS

55ms

TLSA

455ms

SOA

0ms

MTA-STS

69ms

DNSSEC

77ms

SRV

87ms

Total

1116ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 23:06:29	2058ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 21:05:51	769ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-21 03:45:47 shown	1116ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-13 02:59:50	1762ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-06 02:22:20	1410ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 12:05:54	1086ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 20:10:53	2571ms	2 NS 1 A 1 MX	🔓 Insecure