cv.dk

📜 Historical scan 2026-07-02 00:40:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cv.dk is a .dk domain served by 4 nameservers (ns-1428.awsdns-50.org, ns-1820.awsdns-35.co.uk, ns-223.awsdns-27.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.174.18.113 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by mx1.improvmx.com, mx2.improvmx.com. 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 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 Records#

4 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 Records#

2 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 Records#

3 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 00:44:23

www CNAME	cv.dk (all on cv.dk) → 3.174.18.113 3.174.18.19 3.174.18.30 3.174.18.42 (AS16509)
www vs bare domain	Same network cv.dk: 3.174.18.113 3.174.18.19 3.174.18.30 3.174.18.42 (AS16509) www.cv.dk: 3.174.18.113 3.174.18.19 3.174.18.30 3.174.18.42 (AS16509)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u433117.wl118.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u433117.wl118.sendgrid.net	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: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

74ms

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

🏷️ SOA#

34ms

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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

48ms

52ms

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
2026-09-30 09:16:01	793ms	4 NS 4 A 2 MX	🔓 Insecure
2026-09-04 16:35:06	10370ms	4 NS 4 A 2 MX	🔓 Insecure
2026-07-02 00:40:00 shown	3613ms	4 NS 4 A 2 MX	🔓 Insecure
2026-06-16 23:15:57	761ms	4 NS 4 A 2 MX	🔓 Insecure