cembas.dk

📜 Historical scan 2026-08-26 01:03:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cembas.dk is a .dk domain served by 4 nameservers (ns-1457.awsdns-54.org, ns-1585.awsdns-06.co.uk, ns-230.awsdns-28.com and 1 more). It was registered on 1 January 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 18.173.5.110 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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#

4 records 53ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1457.awsdns-54.org	205.251.197.177 2600:9000:5305:b100::1	ns-1457.awsdns-54.org ns-1457.awsdns-54.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1585.awsdns-06.co.uk	205.251.198.49 2600:9000:5306:3100::1	ns-1585.awsdns-06.co.uk ns-1585.awsdns-06.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-230.awsdns-28.com	205.251.192.230 2600:9000:5300:e600::1	ns-230.awsdns-28.com ns-230.awsdns-28.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-803.awsdns-36.net	205.251.195.35 2600:9000:5303:2300::1	ns-803.awsdns-36.net ns-803.awsdns-36.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records#

4 records 82ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
18.173.5.110	60s	server-18-173-5-110.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	18.173.0.0/21	🇺🇸 United States	—
18.173.5.116	60s	server-18-173-5-116.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	18.173.0.0/21	🇺🇸 United States	—
18.173.5.68	60s	server-18-173-5-68.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	18.173.0.0/21	🇺🇸 United States	—
18.173.5.69	60s	server-18-173-5-69.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	18.173.0.0/21	🇺🇸 United States	—

📧 MX Records#

5 records 77ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c0a::1b 2a00:1450:4010:c0a::1b 64.233.162.26	lm-in-x1b.1e100.net lm-in-f27.1e100.net li-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	www.cembas.dk → 18.173.5.68
🔶 Autoconfig	www.cembas.dk → 18.173.5.116

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 271ms

TXT Record
google-site-verification=dG9HA-Gml8nru-cLTj5ZtC6SJie0VzAgJWOS3AagQdk
v=spf1 include:_spf.google.com ~all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.cembas.dk)
p=none (monitor only)	v=DMARC1;p=none;fo=1

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

4 records 90ms

Flags	Tag	Value
0	issue	amazon.com
0	issue	amazonaws.com
0	issue	amazontrust.com
0	issue	awstrust.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 19:08:03

www	65.9.106.19 65.9.106.67 65.9.106.70 65.9.106.98 (AS16509) (address records, no CNAME)
www vs bare domain	Same network cembas.dk: 65.9.106.19 65.9.106.67 65.9.106.70 65.9.106.98 (AS16509) www.cembas.dk: 65.9.106.19 65.9.106.67 65.9.106.70 65.9.106.98 (AS16509)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~1024 bit below 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

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.cembas.dk	www.cembas.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

116ms

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	1
Primary NS (MNAME)	ns-1457.awsdns-54.org
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-09 19:53:16

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-01-01
Expires	2034-01-31 (2663d)

📋 WHOIS#

⏱️ Lookup Timing#

53ms

82ms

77ms

AAAA

96ms

TXT

271ms

CAA

90ms

HTTPS

72ms

TLSA

239ms

SOA

0ms

MTA-STS

141ms

DNSSEC

116ms

SRV

129ms

Total

4235ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 15:05:26	1055ms	4 NS 4 A 5 MX	🔓 Insecure
2026-09-25 06:44:25	12353ms	4 NS 4 A 5 MX	🔓 Insecure
2026-08-27 02:40:50	12926ms	4 NS 4 A 5 MX	🔓 Insecure
2026-08-26 01:03:06 shown	4235ms	4 NS 4 A 5 MX	🔓 Insecure
2026-06-25 03:16:12	3517ms	4 NS 4 A 5 MX	🔓 Insecure
2026-06-23 02:12:01	1169ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 21:42:20	4005ms	4 NS 4 A 5 MX	🔓 Insecure
2026-06-16 22:59:35	65535ms	4 NS 4 A 5 MX	🔓 Insecure
2026-06-16 20:09:05	3190ms	4 NS 4 A 5 MX	🔓 Insecure
2026-06-16 20:03:56	748ms	4 NS 4 A 5 MX	🔓 Insecure
2026-06-16 20:00:07	1047ms	4 NS 4 A 5 MX	🔓 Insecure