s4c.dk

📜 Historical scan 2026-06-19 19:06:42  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

s4c.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 20 February 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 54.73.124.229 is hosted by Amazon.com, Inc. (AS16509) in Ireland. Mail is handled by s4c-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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#

2 records   78ms
NameserverIP addressesPTRASN / ISP
ns1.curanet.dk 185.25.141.12
2a02:2339:4006:108::123		 ns1.curanet.dk
ns1.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.curanet.dk 2a02:2339:1:10f::123:123
91.197.248.75		 ns2.curanet.dk
ns2.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
54.73.124.229 3600s ec2-54-73-124-229.eu-west-1.compute.amazonaws.com AS16509 Amazon.com, Inc. 54.64.0.0/12 🇮🇪 Ireland Dublin

📧 MX Records#

1 records   34ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s s4c-dk.mail.protection.outlook.com 2a01:111:f403:ca04::1
2a01:111:f403:ca09::8
2a01:111:f403:ca09::b
2a01:111:f403:ca09::e
52.101.68.15
52.101.68.32
52.101.73.1
52.101.73.30		 mail-db7pr03cu00401.inbound.protection.outlook.com
mail-as2pr05cu00100.inbound.protection.outlook.com
mail-am7pr05cu00103.inbound.protection.outlook.com
mail-am7pr05cu00206.inbound.protection.outlook.com
mail-db6pr03cu00107.inbound.protection.outlook.com
mail-db3pr0202cu00200.inbound.protection.outlook.com
mail-am3pr04cu00501.inbound.protection.outlook.com
mail-am7pr05cu00306.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.56
🔶 Autoconfig54.73.124.229

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   167ms
TXT Record
MS=ms28045248
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (s4c.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -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 2026-10-16 06:11:29
www54.73.124.229 (AS16509) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
Denial of existenceNSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

76ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

40ms
FieldValue
Serial2026051801
Primary NS (MNAME)ns1.curanet.dk
Responsible (RNAME)hostmaster@curanet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-28 00:53:35
FieldValue
RegistrarCURANET A/S
Registered2024-02-20
Expires2027-02-19 (114d)

🔗 Same registrant#

136 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
93911911.dkCURANET A/S
98935733.dkPunktum dk A/S (direct)
allcar.dkPunktum dk A/S (direct)
allestedautoservice.dkCURANET A/S
antonautoservice.dkCURANET A/S
astrup-campingservice.dkCURANET A/S
autohuset-co.dkCURANET A/S
autoline-brønderslev.dkCURANET A/S
automester-læsø.dkCURANET A/S
automester-mesinge.dkCURANET A/S
automestervejen.dkCURANET A/S
automidtjylland.dkCURANET A/S
autopartnerhammel.dkCURANET A/S
autoværkstedetbirk.dkCURANET A/S
bbau2teknik.dkCURANET A/S
bilgaarden-hostrup.dkCURANET A/S
bilhusetbrondby.dkCURANET A/S
bmco.dkPunktum dk A/S (direct)
bosch-varde.dkCURANET A/S
brdrjensenauto.dkCURANET A/S
bredebro-auto.dkCURANET A/S
bronderslev-autoteknik.dkCURANET A/S
brønderslev-autoteknik.dkCURANET A/S
cadnord.dkPunktum dk A/S (direct)
carshoppen-helsingør.dkCURANET A/S
castrol-autoservice.dkCURANET A/S
cmhbilerhobro.dkCURANET A/S
cyberstock.dkCURANET A/S
daekcentretkjellerup.dkCURANET A/S
dbr-aalborg.dkPunktum dk A/S (direct)
dbr-aarhus.dkPunktum dk A/S (direct)
dbr-horsens.dkPunktum dk A/S (direct)
dbr-lollandfalster.dkPunktum dk A/S (direct)
dbr-nordjylland.dkCURANET A/S
dbr-nordsjælland.dkPunktum dk A/S (direct)
dbr-odense.dkPunktum dk A/S (direct)
dbr-randers.dkPunktum dk A/S (direct)
dbr-silkeborg.dkPunktum dk A/S (direct)
dbr-sydsjaelland.dkPunktum dk A/S (direct)
dbr-thy-mors.dkPunktum dk A/S (direct)
dbr-vejle.dkPunktum dk A/S (direct)
dbr-vendsyssel.dkPunktum dk A/S (direct)
dbr-vest.dkPunktum dk A/S (direct)
dbr-viborg.dkPunktum dk A/S (direct)
dbrnord.dkCURANET A/S
dbrnordjylland.dkCURANET A/S
dinbilpartnerhansen.dkCURANET A/S
dwauto-transmission.dkPunktum dk A/S (direct)
ecb-autosport.dkCURANET A/S
eksportbiler.dkCURANET A/S
englerupauto.dkCURANET A/S
ep-auto.dkCURANET A/S
farsoeautoteknik.dkCURANET A/S
farsø-autoteknik.dkCURANET A/S
ff-biler.dkCURANET A/S
framartrading.dkCURANET A/S
gærumauto.dkCURANET A/S
hammel-auto.dkCURANET A/S
hejselauto.dkCURANET A/S
henningjørgensenauto.dkCURANET A/S
hjørringcamping-fritidsservice.dkCURANET A/S
houseofcars.dkCURANET A/S
ik-auto.dkCURANET A/S
jannsenbiler.dkCURANET A/S
kalstrupauto.dkCURANET A/S
kastrupautoservice.dkPunktum dk A/S (direct)
kibaek-auto.dkPunktum dk A/S (direct)
kroaut.dkCURANET A/S
ksauto-hobro.dkCURANET A/S
ksautohobro.dkCURANET A/S
ksh-udlejning.dkCURANET A/S
lease-pro.dkPunktum dk A/S (direct)
leasepro.dkPunktum dk A/S (direct)
leasing-pro.dkPunktum dk A/S (direct)
loegtenautoteknik.dkCURANET A/S
m-l-automobiler.dkCURANET A/S
madmin.dkCURANET A/S
mbserviceteknik.dkCURANET A/S
mc-storvorde.dkCURANET A/S
mcparts24.dkPunktum dk A/S (direct)
midtfynsautoteknik.dkCURANET A/S
mpautoteknik.dkCURANET A/S
nejs.dkCURANET A/S
niels-petersen-slagelse.dkPunktum dk A/S (direct)
nmsauto.dkCURANET A/S
nnauto.dkCURANET A/S
nordalsauto.dkCURANET A/S
nørhaldhavepark.dkCURANET A/S
nøvling-autoværksted.dkCURANET A/S
ophugsdele.dkCURANET A/S
ostbirkautoteknik.dkCURANET A/S
outletreservedele.dkCURANET A/S
pmbiler.dkCURANET A/S
ppauto.dkPunktum dk A/S (direct)
ravnshøj-biler.dkPunktum dk A/S (direct)
ravnshøjbiler.dkCURANET A/S
refsvindingeauto.dkCURANET A/S
riishøjbilservice.dkCURANET A/S
ringauto.dkCURANET A/S
schultz-automobiler.dkCURANET A/S

Showing 100 of 136.

📋 WHOIS#

⏱️ Lookup Timing#

NS
78ms
A
31ms
MX
34ms
AAAA
41ms
TXT
167ms
CAA
77ms
HTTPS
33ms
TLSA
297ms
SOA
40ms
MTA-STS
116ms
DNSSEC
76ms
SRV
149ms
Total
760ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 07:18:32 1113ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-29 03:04:14 1175ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-27 01:35:26 823ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-19 19:06:42 shown 760ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-18 08:40:02 1088ms 2 NS 1 A 1 MX 🔒 Secure
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