cv.dk

📜 Historical scan 2026-09-04 16:35:06  ·  ← 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 3.173.161.17 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   75ms
NameserverIP addressesPTRASN / 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   60ms
IPTTLPTRASNISP / OrgCIDRCountryCity
3.173.161.17 60s server-3-173-161-17.ams56.r.cloudfront.net AS16509 Amazon.com, Inc. 3.128.0.0/10 🇺🇸 United States —
3.173.161.115 60s server-3-173-161-115.ams56.r.cloudfront.net AS16509 Amazon.com, Inc. 3.128.0.0/10 🇺🇸 United States —
3.173.161.71 60s server-3-173-161-71.ams56.r.cloudfront.net AS16509 Amazon.com, Inc. 3.128.0.0/10 🇺🇸 United States —
3.173.161.22 60s server-3-173-161-22.ams56.r.cloudfront.net AS16509 Amazon.com, Inc. 3.128.0.0/10 🇺🇸 United States —

📧 MX Records#

2 records   45ms
PriorityTTLMail ServerIP addressesPTRASN
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   170ms
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#

PolicyRecord (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#

PolicyRecord (_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 CNAMEcv.dk (all on cv.dk)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

2 found
SelectorCNAMEKey
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#

244ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

9ms
FieldValue
Serial1
Primary NS (MNAME)ns-223.awsdns-27.com
Responsible (RNAME)awsdns-hostmaster@amazon.com
Refresh7200s
Retry900s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
75ms
A
60ms
MX
45ms
AAAA
40ms
TXT
170ms
CAA
48ms
HTTPS
63ms
TLSA
167ms
SOA
9ms
MTA-STS
29ms
DNSSEC
244ms
SRV
0ms
Total
10370ms

🕐 Scan History#

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