cv.dk DNS records

🖥️ Nameservers4 records 48ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1428.awsdns-50.org	205.251.197.148 2600:9000:5305:9400::1	ns-1428.awsdns-50.org ns-1428.awsdns-50.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1820.awsdns-35.co.uk	205.251.199.28 2600:9000:5307:1c00::1	ns-1820.awsdns-35.co.uk ns-1820.awsdns-35.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-223.awsdns-27.com	205.251.192.223 2600:9000:5300:df00::1	ns-223.awsdns-27.com ns-223.awsdns-27.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-722.awsdns-26.net	205.251.194.210 2600:9000:5302:d200::1	ns-722.awsdns-26.net ns-722.awsdns-26.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records4 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.174.18.113	60s	server-3-174-18-113.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.19	60s	server-3-174-18-19.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.30	60s	server-3-174-18-30.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.42	60s	server-3-174-18-42.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—

📧 MX Records2 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.improvmx.com	13.37.195.136 15.236.236.160 2a05:d012:412:e201:88aa:e7b9:7a43:12d7 2a05:d012:412:e202:f36:2c1f:1a49:d38a 2a05:d012:412:e203:373a:f51a:4a85:1d25 35.181.18.45	ec2-13-37-195-136.eu-west-3.compute.amazonaws.com ec2-15-236-236-160.eu-west-3.compute.amazonaws.com — — — ec2-35-181-18-45.eu-west-3.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	300s	mx2.improvmx.com	13.36.107.63 13.36.222.39 15.236.61.92 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678 2a05:d012:412:e202:e81e:cc44:3b53:8a3d 2a05:d012:412:e203:7e33:3d9c:28d7:ee20	ec2-13-36-107-63.eu-west-3.compute.amazonaws.com ec2-13-36-222-39.eu-west-3.compute.amazonaws.com ec2-15-236-61-92.eu-west-3.compute.amazonaws.com — — —	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 220ms

TXT Record
ahrefs-site-verification_478803a74fc7e5f3f6973f563e6b6cec1321a63cb3d9a91ab0fa96db038aadea
google-site-verification=oIGGXVcRcdarxcfSL9yqwLnbRbq5hBtDbWeCwtjrSqw
v=spf1 a mx ip4:168.245.65.255 ip4:168.245.115.120 include:sendgrid.net include:spf.improvmx.com ~all

✉️ SPF

Policy	Record (cv.dk)
~all (soft fail)	v=spf1 a mx ip4:168.245.65.255 ip4:168.245.115.120 include:sendgrid.net include:spf.improvmx.com ~all

📨 DMARC

Policy	Record (_dmarc.cv.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; sp=none; aspf=r;

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC74ms

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

🏷️ SOA34ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-223.awsdns-27.com
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

48ms

A

52ms

MX

51ms

AAAA

39ms

TXT

220ms

CAA

34ms

HTTPS

33ms

TLSA

83ms

SOA

34ms

MTA-STS

50ms

DNSSEC

74ms

SRV

59ms

Total

3613ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-02 00:40:00	3613ms	4 NS 4 A 2 MX	🔓 Insecure	View
2026-06-16 23:15:57	761ms	4 NS 4 A 2 MX	🔓 Insecure	View