cs-co.dk

📜 Historical scan 2026-06-28 01:18:02 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cs-co.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 28 February 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.31 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by csco-dk0e.mail.protection.outlook.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#

3 records 231ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 240ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.31	3600s	webcluster1.webpod12-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 252ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	csco-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca04::e 2a01:111:f403:ca04::f 2a01:111:f403:ca09::6 52.101.68.21 52.101.68.3 52.101.68.5 52.101.73.22	mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 40.104.116.8
🔶 Autoconfig	46.30.213.30

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 390ms

TXT Record
MS=ms39215807
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (cs-co.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.cs-co.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 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 20:31:11

www	46.30.213.31 (AS51468) (address records, no CNAME)
www vs bare domain	Same network cs-co.dk: 46.30.213.31 (AS51468) www.cs-co.dk: 46.30.213.31 (AS51468)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-csco-dk0e._domainkey.norblu.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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

356ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

226ms

Field	Value
Serial	2024112608
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-03 06:18:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-02-28
Expires	2027-02-28 (132d)

📋 WHOIS#

⏱️ Lookup Timing#

231ms

240ms

252ms

AAAA

278ms

TXT

390ms

CAA

259ms

HTTPS

252ms

TLSA

963ms

SOA

226ms

MTA-STS

263ms

DNSSEC

356ms

SRV

538ms

Total

2540ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 20:31:11	1183ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-03 06:12:36	758ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 05:59:13	612ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-23 08:03:40	674ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-29 21:54:46	1096ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-28 01:18:02 shown	2540ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-26 16:56:34	1972ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-26 04:43:04	1604ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 23:36:32	65535ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 23:05:28	787ms	3 NS 1 A 1 MX	🔒 Secure