yubico.dk

📜 Historical scan 2026-06-18 00:26:37  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

yubico.dk is a .dk domain served by 4 nameservers (ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com and 1 more). It was registered on 27 April 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 35.190.17.235 is hosted by Google LLC (AS396982) in United States. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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   56ms
NameserverIP addressesPTRASN / ISP
ns-cloud-d1.googledomains.com 2001:4860:4802:32::6d
216.239.32.109		 ns-cloud-d1.googledomains.com
ns-cloud-d1.googledomains.com		 AS15169 Google LLC
AS15169 Google LLC
ns-cloud-d2.googledomains.com 2001:4860:4802:34::6d
216.239.34.109		 ns-cloud-d2.googledomains.com
ns-cloud-d2.googledomains.com		 AS15169 Google LLC
AS15169 Google LLC
ns-cloud-d3.googledomains.com 2001:4860:4802:36::6d
216.239.36.109		 ns-cloud-d3.googledomains.com
ns-cloud-d3.googledomains.com		 AS15169 Google LLC
AS15169 Google LLC
ns-cloud-d4.googledomains.com 2001:4860:4802:38::6d
216.239.38.109		 ns-cloud-d4.googledomains.com
ns-cloud-d4.googledomains.com		 AS15169 Google LLC
AS15169 Google LLC

🌍 A Records#

1 records   73ms
IPTTLPTRASNISP / OrgCIDRCountryCity
35.190.17.235 — 235.17.190.35.bc.googleusercontent.com AS396982 Google LLC 35.184.0.0/13 🇺🇸 United States —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

1 records   58ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2600:1901:0:e733:: — — AS396982 Google LLC 2600:1900:0:0:0:0:0:0/31 🇺🇸 United States Kansas City

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   456ms
TXT Record
v=spf1 -all

✉️ SPF#

PolicyRecord (yubico.dk)
-all (hard fail) v=spf1 -all

📨 DMARC#

PolicyRecord (_dmarc.yubico.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc-rua@yubico.com

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

3 records   70ms
FlagsTagValue
0 iodef mailto:tlsadmin@yubico.com
0 issue letsencrypt.org
0 issue pki.goog

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 09:51:18
www35.190.17.235 2600:1901:0:e733:: (AS396982) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

84ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

67ms
FieldValue
Serial1
Primary NS (MNAME)ns-cloud-d1.googledomains.com
Responsible (RNAME)cloud-dns-hostmaster@google.com
Refresh21600s
Retry3600s
Expire259200s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-13 06:10:21
FieldValue
RegistrarMarkMonitor Inc.
Registered2017-04-27
Expires2027-04-30 (192d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
56ms
A
73ms
MX
46ms
AAAA
58ms
TXT
456ms
CAA
70ms
HTTPS
55ms
TLSA
76ms
SOA
67ms
MTA-STS
56ms
DNSSEC
84ms
SRV
90ms
Total
923ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-24 06:25:46 9561ms 4 NS 1 A 1 MX 🔓 Insecure
2026-09-14 00:04:00 10078ms 4 NS 1 A 1 MX 🔓 Insecure
2026-08-28 03:43:29 2677ms 4 NS 1 A 1 MX 🔓 Insecure
2026-06-27 10:51:55 2415ms 4 NS 1 A 1 MX 🔓 Insecure
2026-06-18 00:26:37 shown 923ms 4 NS 1 A 0 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone