cembas.dk DNS records

🖥️ Nameservers4 records 51ms

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 Records4 records 69ms

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 Records5 records 68ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c09::1a 2a00:1450:4010:c09::1a 74.125.205.27	lk-in-f26.1e100.net lk-in-x1a.1e100.net le-in-f27.1e100.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::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.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::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	www.cembas.dk → 18.173.5.68
🔶 Autoconfig	www.cembas.dk → 18.173.5.110

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 251ms

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 Records4 records 43ms

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

🔏 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)

🔐 DNSSEC9091ms

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

🏷️ SOA0ms

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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

51ms

A

69ms

MX

68ms

AAAA

48ms

TXT

251ms

CAA

43ms

HTTPS

58ms

TLSA

217ms

SOA

0ms

MTA-STS

103ms

DNSSEC

9091ms

SRV

95ms

Total

12926ms

🕐 Scan History

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