i-byg.dk

📜 Historical scan 2026-06-17 15:27:27  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

i-byg.dk is a .dk domain served by 2 nameservers (dns-a.duelhost.dk, dns-b.duelhost.dk). It was registered on 7 May 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.i-byg.dk. 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#

2 records   312ms
NameserverIP addressesPTRASN / ISP
dns-a.duelhost.dk 138.201.61.68 cde3.duelhost.dk AS24940 Hetzner Online GmbH
dns-b.duelhost.dk 195.201.247.10 dns-b.duelhost.dk AS24940 Hetzner Online GmbH

🌍 A Records#

1 records   289ms
IPTTLPTRASNISP / OrgCIDRCountryCity
138.201.61.68 — cde3.duelhost.dk AS24940 — — — —

📧 MX Records#

1 records   361ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mail.i-byg.dk 138.201.61.68 cde3.duelhost.dk AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   592ms
TXT Record
google-site-verification=BXNyhLUNtt8sKRJjbUt2bLuU0xrgghmBWAwi_Qj4Rig
v=spf1 a mx include:relay.mailchannels.net -all

✉️ SPF#

PolicyRecord (i-byg.dk)
-all (hard fail) v=spf1 a mx include:relay.mailchannels.net -all

📨 DMARC#

PolicyRecord (_dmarc.i-byg.dk)
p=none (monitor only) v=DMARC1; p=none; sp=none

📬 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 2026-10-21 21:40:15
www193.46.69.54 (AS62121) (address records, no CNAME)
www vs bare domainSame network
i-byg.dk: 193.46.69.54 (AS62121)
www.i-byg.dk: 193.46.69.54 (AS62121)
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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

366ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

288ms
FieldValue
Serial2026053103
Primary NS (MNAME)dns-a.duelhost.dk
Responsible (RNAME)hostmaster@i-byg.dk
Refresh3600s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-13 21:28:28
FieldValue
RegistrarSimply.com A/S
Registered2022-05-07
Expires2027-05-06 (196d)

🔗 Same registrant#

44 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
3briketter.dkSimply.com A/S
3pille.dkSimply.com A/S
airfryerbedstitest.dkSimply.com A/S
babyslyngevugge.dkSimply.com A/S
badehaetten.dkSimply.com A/S
bedstehjemmesko.dkSimply.com A/S
billigsprut.dkSimply.com A/S
billigstekviklaan.dkSimply.com A/S
billigtlammeskind.dkSimply.com A/S
braendetarn.dkSimply.com A/S
easytan.dkSimply.com A/S
eltandborste.dkSimply.com A/S
em-fodbold.dkSimply.com A/S
evafinans.dkSimply.com A/S
familiefinanser.dkSimply.com A/S
finansassistent.dkSimply.com A/S
flagstangspriser.dkSimply.com A/S
flyverdragttilborn.dkSimply.com A/S
fodboldtroje.dkSimply.com A/S
fodboldtrojen.dkSimply.com A/S
foliehuset.dkSimply.com A/S
forbrugslaanet.dkSimply.com A/S
halvhoejseng.dkSimply.com A/S
havetrampolinen.dkSimply.com A/S
julekalendergave.dkSimply.com A/S
kaffekapsle.dkSimply.com A/S
kitesurfudstyr.dkSimply.com A/S
lipplumber.dkSimply.com A/S
lipplumper.dkSimply.com A/S
mouthtape.dkSimply.com A/S
naesestrips.dkSimply.com A/S
nytagberegner.dkSimply.com A/S
nytagpris.dkSimply.com A/S
online-casinoo.dkSimply.com A/S
oplevelserkobenhavn.dkSimply.com A/S
pizzaovnen.dkSimply.com A/S
rezonanz.dkSimply.com A/S
saunaer.dkSimply.com A/S
sup-boards.dkSimply.com A/S
traepiller8mm.dkSimply.com A/S
træpiller6mm.dkSimply.com A/S
træpiller8mm.dkSimply.com A/S
vinterborn.dkSimply.com A/S
vinterjakkeborn.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
312ms
A
289ms
MX
361ms
AAAA
310ms
TXT
592ms
CAA
337ms
HTTPS
284ms
TLSA
176ms
SOA
288ms
MTA-STS
312ms
DNSSEC
366ms
SRV
0ms
Total
1055ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-21 21:40:15 767ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-20 02:36:51 1620ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-19 01:22:08 585ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-17 23:54:23 452ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-16 23:43:07 386ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-15 23:32:26 1734ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-14 22:21:01 1314ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-13 21:14:09 709ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-12 17:58:09 1440ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-11 17:22:02 1516ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-10 12:21:56 373ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-09 00:39:41 809ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-08 00:38:33 3012ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-07 00:37:55 481ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-05 22:14:00 2344ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-04 22:08:21 1090ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-03 21:58:06 658ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-02 21:57:20 652ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-01 21:56:36 578ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-30 21:53:07 679ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-29 21:42:12 595ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-28 21:31:20 515ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-27 21:17:46 550ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-26 21:05:35 567ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-25 20:33:18 557ms 5 NS 1 A 1 MX 🔓 Insecure
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