konstant.dk

📜 Historical scan 2026-06-19 22:20:45  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

konstant.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 29 December 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.103.39.137 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by konstant-dk.a-v1.mx.microsoft. The zone is DNSSEC-signed and validates, 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   29ms
NameserverIP addressesPTRASN / ISP
ns.scannet2.dk 185.25.141.9
2a02:2339:4006:10d::4171:4171		 ns1.scannet.dk
ns1.scannet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.scannet2.dk 2a02:2339:1:112:0:5:1:b11
91.197.248.72		 ns2.scannet.dk
ns2.scannet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   40ms
IPTTLPTRASNISP / OrgCIDRCountryCity
5.103.39.137 3600s 5.103.39.137.static.fibianet.dk AS44869 FIBIA P/S 5.103.0.0/16 🇩🇰 Denmark Holbæk

📧 MX Records#

1 records   36ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s konstant-dk.a-v1.mx.microsoft 2a01:111:f403:ca04::
2a01:111:f403:ca04::c
2a01:111:f403:ca09::1
2a01:111:f403:ca09::8
52.101.68.3
52.101.68.39
52.101.73.1
52.101.73.12		 mail-db3pr0202cu00100.inbound.protection.outlook.com
mail-db9pr02cu00204.inbound.protection.outlook.com
mail-as9pr07cu00301.inbound.protection.outlook.com
mail-as2pr05cu00100.inbound.protection.outlook.com
mail-db7pr03cu00403.inbound.protection.outlook.com
mail-db7pr03cu00607.inbound.protection.outlook.com
mail-am3pr04cu00501.inbound.protection.outlook.com
mail-am4pr0401cu00104.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 → 52.98.240.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records   271ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 100 1 443 autodiscover.nrgi.dk
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

6 records   278ms
TXT Record
atlassian-domain-verification=ybKIsu5ATeKc4mKAcPSR3xqFIB701SlnmH1NBNl3SnKCko624iUHottOTJmqeLxU
google-site-verification=6W_PP1rL0vOQnIiBOvk6tf2QUBKaL9yZM_doLsIcEKY
google-site-verification=HyIHgtCBJakNUiU812Wiws3d0abUP88dJ2NbeseQFQE
MS=ms84018289
rvAfKR7IOxykk9Wm+45qHVg8IOlzA2pvIvetd2GlNoBhwiUO4gZUfDobIPMjeW/RvnMGVYV68b8Zv30oBIlmLA==
v=spf1 include:_spf55910.spf-protect.dk include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (konstant.dk)
-all (hard fail) v=spf1 include:_spf55910.spf-protect.dk include:spf.protection.outlook.com -all

📨 DMARC#

PolicyRecord (_dmarc.konstant.dk)
p=reject v=DMARC1; p=reject; rua=mailto:66e1b0706e8e3@dmarc-dk.centerasecurity.com; pct=100; fo=1;

📬 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 2026-10-15 06:40:15
www CNAMEkonstant.dk (all on konstant.dk)
www vs bare domainSame network
konstant.dk: 5.103.39.137 (AS44869)
www.konstant.dk: 5.103.39.137 (AS44869)
WildcardNo
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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

7 records   2061ms
Service / OwnerTypeCert association
SMTP _25._tcp.konstant-dk.a-v1.mx.microsoft DANE-TA · Full cert · SHA-256 5F88694615E4C61686E106B84C3338C6…
SMTP _25._tcp.konstant-dk.a-v1.mx.microsoft DANE-EE · SPKI · SHA-256 A6C267923B26A4A9617EDA73D8DB4FBC…
SMTP _25._tcp.konstant-dk.a-v1.mx.microsoft DANE-TA · Full cert · SHA-256 38D895F5105BC2545822C17A2444F4B0…
SMTP _25._tcp.konstant-dk.a-v1.mx.microsoft DANE-EE · SPKI · SHA-256 133086C7B822371A4A3304F1661A7880…
SMTP _25._tcp.konstant-dk.a-v1.mx.microsoft DANE-TA · Full cert · SHA-256 6EBFF927297A5B3AAF5EAE672252C36A…
SMTP _25._tcp.konstant-dk.a-v1.mx.microsoft DANE-EE · SPKI · SHA-256 C495D9E40F7E625BE22F83CC64305182…
HTTPS _443._tcp.konstant.dk DANE-EE · SPKI · SHA-256 5FFA07F15E7EABB8B3251CDCAAD8EAEA…

🔐 DNSSEC#

144ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

39ms
FieldValue
Serial2026052601
Primary NS (MNAME)ns.scannet2.dk
Responsible (RNAME)hostmaster@scannet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-23 19:25:30
FieldValue
RegistrarPunktum dk A/S (direct)
Registered1998-12-29
Expires2026-12-31 (67d)

🔗 Same registrant#

104 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
58500159.dkPunktum dk A/S (direct)
70220094.dkPunktum dk A/S (direct)
70262094.dkPunktum dk A/S (direct)
allerød-kulturtorv.dkA/S SCANNET
bestilenergimaerke.dkPunktum dk A/S (direct)
bestilhuseftersyn.dkPunktum dk A/S (direct)
birkeroed-el.dkPunktum dk A/S (direct)
bl-termografi.dkPunktum dk A/S (direct)
bl-thermografi.dkPunktum dk A/S (direct)
buildingmanager.dkPunktum dk A/S (direct)
byggelog.dkPunktum dk A/S (direct)
byggeplandata.dkPunktum dk A/S (direct)
co2jægeren.dkPunktum dk A/S (direct)
den-digitale-tilstandsrapport.dkA/S SCANNET
dendigitaletilstandsrapport.dkA/S SCANNET
digital-tilstandsrapport.dkA/S SCANNET
dvplan.dkPunktum dk A/S (direct)
e10.dkPunktum dk A/S (direct)
ebas.dkPunktum dk A/S (direct)
elconnet.dkPunktum dk A/S (direct)
elforalle.dkPunktum dk A/S (direct)
elskoven.dkPunktum dk A/S (direct)
eltek.dkPunktum dk A/S (direct)
eltrans.dkPunktum dk A/S (direct)
emodata.dkPunktum dk A/S (direct)
energi-care.dkPunktum dk A/S (direct)
energi-check.dkPunktum dk A/S (direct)
energi-el-salg.dkPunktum dk A/S (direct)
energi-elsalg.dkPunktum dk A/S (direct)
energi-venlig.dkPunktum dk A/S (direct)
energi10.dkPunktum dk A/S (direct)
energico2-fri.dkPunktum dk A/S (direct)
energielhandel.dkPunktum dk A/S (direct)
energielsalg.dkPunktum dk A/S (direct)
energiforfaen.dkPunktum dk A/S (direct)
energiforfan.dkPunktum dk A/S (direct)
energipark.dkPunktum dk A/S (direct)
energirammeberegning.dkPunktum dk A/S (direct)
energy08.dkPunktum dk A/S (direct)
energy10.dkPunktum dk A/S (direct)
energyproject.dkPunktum dk A/S (direct)
energyprojects.dkPunktum dk A/S (direct)
energysolution.dkPunktum dk A/S (direct)
energysystems.dkPunktum dk A/S (direct)
enho2.dkPunktum dk A/S (direct)
finddinnrgi.dkPunktum dk A/S (direct)
fleetoptimize.dkA/S SCANNET
forsyning-as.dkPunktum dk A/S (direct)
frandsen-aba.dkPunktum dk A/S (direct)
gratisenergibesparelse.dkPunktum dk A/S (direct)
gronfleks.dkPunktum dk A/S (direct)
groupsoft.dkPunktum dk A/S (direct)
grøn-flex.dkPunktum dk A/S (direct)
herlevelektrikeren.dkPunktum dk A/S (direct)
hoersholm-el.dkPunktum dk A/S (direct)
høeg-hansens-have.dkA/S SCANNET
intelligentbygningsautomatik.dkPunktum dk A/S (direct)
iptek.dkPunktum dk A/S (direct)
iso22000.dkPunktum dk A/S (direct)
iso50001.dkPunktum dk A/S (direct)
klimaidoler.dkPunktum dk A/S (direct)
klosterhaven-roskilde.dkPunktum dk A/S (direct)
ks-log.dkPunktum dk A/S (direct)
kubenmanagement.dkPunktum dk A/S (direct)
lyset-aalborg.dkPunktum dk A/S (direct)
lysmail.dkPunktum dk A/S (direct)
mitenergimaerke.dkPunktum dk A/S (direct)
nordlysnet.dkPunktum dk A/S (direct)
nrgi-butikken.dkPunktum dk A/S (direct)
nrgi-co2fri.dkPunktum dk A/S (direct)
nrgi-familien.dkPunktum dk A/S (direct)
nrgi-klimapartner.dkPunktum dk A/S (direct)
nrgi-system.dkPunktum dk A/S (direct)
nrgi-tjek.dkPunktum dk A/S (direct)
nrgi-valg.dkPunktum dk A/S (direct)
nrgi.dkPunktum dk A/S (direct)
nrgi100aar.dkPunktum dk A/S (direct)
nrgi100år.dkPunktum dk A/S (direct)
nrgico2fri.dkPunktum dk A/S (direct)
nrgifamilien.dkPunktum dk A/S (direct)
nrgiforfan.dkPunktum dk A/S (direct)
nrgiinfo.dkPunktum dk A/S (direct)
nrgiit.dkPunktum dk A/S (direct)
nrgiklimapartner.dkPunktum dk A/S (direct)
nrgimail.dkPunktum dk A/S (direct)
nrginet.dkPunktum dk A/S (direct)
nrgisol.dkPunktum dk A/S (direct)
nrgisystems.dkPunktum dk A/S (direct)
nrig-co2fri.dkPunktum dk A/S (direct)
nrigco2-fir.dkPunktum dk A/S (direct)
ntelservice.dkPunktum dk A/S (direct)
nyborg-midtermole.dkPunktum dk A/S (direct)
oneplanetvillage.dkPunktum dk A/S (direct)
simpel-el.dkPunktum dk A/S (direct)
simpelel.dkPunktum dk A/S (direct)
smartebyer.dkPunktum dk A/S (direct)
solpark-tagmark.dkA/S SCANNET
u-værdi.dkPunktum dk A/S (direct)
ultramail.dkPunktum dk A/S (direct)
v-o-k.dkPunktum dk A/S (direct)

Showing 100 of 104.

📋 WHOIS#

⏱️ Lookup Timing#

NS
29ms
A
40ms
MX
36ms
AAAA
39ms
TXT
278ms
CAA
39ms
HTTPS
39ms
TLSA
2061ms
SOA
39ms
MTA-STS
143ms
DNSSEC
144ms
SRV
271ms
Total
2854ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 06:40:15 548ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-14 05:40:31 509ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-03 13:18:54 580ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-03 02:57:09 788ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-20 20:45:05 716ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-19 22:20:45 shown 2854ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-17 23:17:14 1068ms 2 NS 1 A 1 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone