rezonanz.dk

📜 Historical scan 2026-10-09 07:20:20  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rezonanz.dk is a .dk domain served by 5 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk and 2 more). It was registered on 28 June 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.131.100 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mail.rezonanz.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#

5 records   54ms
NameserverIP addressesPTRASN / ISP
ns1.e-studio.dk 195.242.131.5
2001:67c:564:fffc::11		 ns1.e-studio.dk
ns1.e-studio.dk		 AS62121 Christian Ebsen ApS
AS62121 Christian Ebsen ApS
ns2.e-studio.dk 2a00:1b18:2:3::2
62.69.152.34		 ns2.e-studio.dk
ns2.e-studio.dk		 AS47527 DLX A/S
AS47527 DLX A/S
ns3.e-studio.dk 193.200.90.183
2001:67c:564:fffc::13		 ns3.e-studio.dk
ns3.e-studio.dk		 AS62121 Christian Ebsen ApS
AS62121 Christian Ebsen ApS
ns4.e-studio.dk 185.210.177.89 — AS51377 CoMaSys ApS
ns5.e-studio.dk 148.251.215.66 static.66.215.251.148.clients.your-server.de AS24940 Hetzner Online GmbH

🌍 A Records#

1 records   43ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.242.131.100 300s web10.e-studio.dk AS62121 Christian Ebsen ApS 195.242.130.0/23 🇩🇰 Denmark —

📧 MX Records#

1 records   40ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mail.rezonanz.dk 195.242.131.100 web10.e-studio.dk AS62121 Christian Ebsen ApS

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover195.242.131.100
🔶 Autoconfig195.242.131.100

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   73ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net

📝 TXT Records#

2 records   213ms
TXT Record
google-site-verification=AX0HuF7H1z2o2rKCI1z1r4Rge9_LF5EURhbCI2osN24
v=spf1 +a +mx +ip4:195.242.131.100 include:_spf.e-studio.dk +include:relay.mailchannels.net -all

✉️ SPF#

PolicyRecord (rezonanz.dk)
-all (hard fail) v=spf1 +a +mx +ip4:195.242.131.100 include:_spf.e-studio.dk +include:relay.mailchannels.net -all

📨 DMARC#

PolicyRecord (_dmarc.rezonanz.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 2026-10-19 02:57:54
www195.242.131.100 (AS62121) (address records, no CNAME)
www vs bare domainSame network
rezonanz.dk: 195.242.131.100 (AS62121)
www.rezonanz.dk: 195.242.131.100 (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: 4/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.rezonanz.dk DL1hmgUPdcfvG8wmOGOghsr8Bd82n2rDZnMQv7lsvUU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

82ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

52ms
FieldValue
Serial2026100901
Primary NS (MNAME)ns1.e-studio.dk
Responsible (RNAME)hostmaster@mailrelay.e-studio.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-17 02:30:14
FieldValue
RegistrarSimply.com A/S
Registered2023-06-28
Expires2027-06-27 (251d)

🔗 Same registrant#

43 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
i-byg.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
saunaer.dkSimply.com A/S
sup-boards.dkSimply.com A/S
traepiller8mm.dkSimply.com A/S
træpiller6mm.dkSimply.com A/S
vinterborn.dkSimply.com A/S
vinterjakkeborn.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
54ms
A
43ms
MX
40ms
AAAA
39ms
TXT
213ms
CAA
44ms
HTTPS
58ms
TLSA
54ms
SOA
52ms
MTA-STS
52ms
DNSSEC
82ms
SRV
73ms
Total
515ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-19 02:57:54 427ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-18 02:20:09 893ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-17 02:02:16 505ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-16 01:34:50 682ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-14 22:42:24 663ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-13 22:31:43 699ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-12 16:03:03 1671ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-11 14:13:54 1363ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-10 13:19:57 706ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-09 07:20:20 shown 515ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-08 12:47:53 634ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-07 12:44:52 495ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-06 11:57:03 4708ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-05 07:35:46 437ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-04 07:20:13 1737ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-03 07:18:44 605ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-02 07:17:56 1443ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-01 07:10:15 628ms 5 NS 1 A 1 MX 🔓 Insecure
2026-10-01 04:39:43 703ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-30 04:25:54 2075ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-29 04:15:10 577ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-28 04:02:25 611ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-27 03:42:38 533ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-26 03:27:29 583ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-20 10:07:15 728ms 2 NS 1 A 1 MX 🔓 Insecure
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