cebs.dk

📜 Historical scan 2026-07-18 21:04:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cebs.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 18 June 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, has no 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#

4 records 91ms

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
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 80ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1b 2a00:1450:4010:c01::1b 2a00:1450:4010:c05::1a 2a00:1450:4010:c05::1a 2a00:1450:4010:c05::1b 2a00:1450:4010:c05::1b 64.233.161.26 64.233.161.27 64.233.162.26 64.233.162.27 74.125.205.26	lh-in-f26.1e100.net lh-in-x1a.1e100.net lh-in-x1b.1e100.net lh-in-f27.1e100.net li-in-f26.1e100.net li-in-x1a.1e100.net li-in-f27.1e100.net li-in-x1b.1e100.net lh-in-f26.1e100.net lh-in-f27.1e100.net li-in-f26.1e100.net li-in-f27.1e100.net le-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 351ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (cebs.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-13 05:26:25

www	NXDOMAIN
www vs bare domain	Neither resolves cebs.dk: no address www.cebs.dk: no address
Wildcard	No
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

🔎 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#

227ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2026071802
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 2026-09-30 23:46:02

Field	Value
Registrar	Simply.com A/S
Registered	2001-06-18
Expires	2027-06-30 (254d)

📋 WHOIS#

⏱️ Lookup Timing#

91ms

86ms

80ms

AAAA

82ms

TXT

351ms

CAA

86ms

HTTPS

83ms

TLSA

77ms

SOA

0ms

MTA-STS

89ms

DNSSEC

227ms

SRV

158ms

Total

1288ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 05:26:24	1406ms	4 NS 0 A 1 MX	🔒 Secure
2026-09-30 23:27:06	880ms	4 NS 0 A 1 MX	🔒 Secure
2026-08-22 22:02:48	5076ms	4 NS 0 A 1 MX	🔒 Secure
2026-08-21 21:55:31	3376ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-20 21:44:24	4316ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-19 21:13:26	3654ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-18 20:46:14	1637ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-05 22:17:11	1057ms	4 NS 0 A 1 MX	🔒 Secure
2026-07-18 21:04:27 shown	1288ms	4 NS 0 A 1 MX	🔒 Secure
2026-06-25 08:04:35	13370ms	4 NS 0 A 1 MX	🔒 Secure
2026-06-24 09:41:46	894ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 19:56:17	516ms	4 NS 0 A 1 MX	🔒 Secure