smartguy.dk

📜 Historical scan 2026-10-13 10:44:19  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

smartguy.dk is a .dk domain served by 4 nameservers (ns1.krystal.io, ns2.krystal.io, ns3.krystal.io and 1 more). It was registered on 8 February 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.72.2.112 is hosted by Krystal Hosting Ltd (AS12488) in United Kingdom. Mail is handled by mx1.krystal.io, mx2.krystal.io. The zone is not DNSSEC-signed, has no 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   121ms
NameserverIP addressesPTRASN / ISP
ns1.krystal.io 77.72.0.11 ns1.krystal.uk AS12488 Krystal Hosting Ltd
ns2.krystal.io 139.162.230.184 ns2.krystal.uk AS63949 Akamai Connected Cloud
ns3.krystal.io 77.72.0.13 ns1.cloudhosting.co.uk AS12488 Krystal Hosting Ltd
ns4.krystal.io 139.162.254.53 ns2.cloudhosting.co.uk AS63949 Akamai Connected Cloud

🌍 A Records#

1 records   160ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.72.2.112 14400s p112.lon.krystal.io AS12488 Krystal Hosting Ltd 77.72.0.0/21 🇬🇧 United Kingdom London

📧 MX Records#

2 records   191ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.krystal.io 185.53.56.44
185.53.56.46		 mx1.strikemail.co.uk
mx1.strikemail.co.uk		 AS12488 Krystal Hosting Ltd
AS12488 Krystal Hosting Ltd
20 3600s mx2.krystal.io 185.53.56.45
185.53.56.47		 mx2.strikemail.co.uk
mx2.strikemail.co.uk		 AS12488 Krystal Hosting Ltd
AS12488 Krystal Hosting Ltd

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   493ms
TXT Record
v=spf1 ip4:185.194.90.17 ip4:77.72.2.112 include:relay.k.io a mx ip4:77.72.1.86 ~all

✉️ SPF#

PolicyRecord (smartguy.dk)
~all (soft fail) v=spf1 ip4:185.194.90.17 ip4:77.72.2.112 include:relay.k.io a mx ip4:77.72.1.86 ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-17 15:42:28
www CNAMEsmartguy.dk (all on smartguy.dk)
www vs bare domainSame network
smartguy.dk: 77.72.2.112 (AS12488)
www.smartguy.dk: 77.72.2.112 (AS12488)
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — RSA · ~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: 4/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.smartguy.dk fFCP8JuVXXSBVOuRNt8b7t4hji8JeG4KUWddtTWB5Hk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

238ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

152ms
FieldValue
Serial2026101302
Primary NS (MNAME)ns1.krystal.io
Responsible (RNAME)admin@demo.p112.lon.krystal.io
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-14 11:30:12
FieldValue
RegistrarNom-Iq Ltd
Registered2000-02-08
Expires2027-03-31 (164d)

🔗 Same registrant#

3 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).

DomainRegistrar
smartkido.dkNom-Iq Ltd
smartmen.dkNom-Iq Ltd
smartyoungster.dkNom-Iq Ltd
📋 WHOIS#

⏱️ Lookup Timing#

NS
121ms
A
160ms
MX
191ms
AAAA
115ms
TXT
493ms
CAA
128ms
HTTPS
163ms
TLSA
289ms
SOA
152ms
MTA-STS
198ms
DNSSEC
238ms
SRV
199ms
Total
3644ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 15:42:28 1481ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-16 15:41:21 1454ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-15 12:43:35 1730ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-14 10:56:29 1710ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-13 10:44:19 shown 3644ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-12 05:42:14 2492ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-11 03:03:10 2087ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-10 00:46:59 2174ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-08 11:01:24 4143ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-07 10:50:47 2026ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-06 02:05:28 2243ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-05 02:02:03 3415ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-04 01:52:22 2575ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-03 01:50:00 1641ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-02 01:48:20 2929ms 4 NS 1 A 2 MX 🔓 Insecure
2026-10-01 01:34:56 2211ms 4 NS 1 A 2 MX 🔓 Insecure
2026-09-30 01:21:41 2467ms 4 NS 1 A 2 MX 🔓 Insecure
2026-09-29 01:03:29 1962ms 4 NS 1 A 2 MX 🔓 Insecure
2026-09-28 00:45:47 2016ms 4 NS 1 A 2 MX 🔓 Insecure
2026-09-27 00:38:44 1981ms 4 NS 1 A 2 MX 🔓 Insecure
2026-09-26 00:23:45 2235ms 4 NS 1 A 2 MX 🔓 Insecure
2026-09-25 00:04:04 3336ms 4 NS 1 A 2 MX 🔓 Insecure
2026-09-23 23:41:15 2274ms 4 NS 1 A 2 MX 🔓 Insecure
2026-09-17 23:34:52 3260ms 4 NS 1 A 2 MX 🔓 Insecure
2026-09-10 21:33:36 3900ms 4 NS 1 A 2 MX 🔓 Insecure
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