konstant.dk

Records from scan: 2026-10-15 06:40:15  ·  548ms total  ·  last checked 2026-10-22 13:15 (unchanged)
⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   30ms
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   24ms
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   32ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s konstant-dk.a-v1.mx.microsoft 2a01:111:f403:ca04::e
2a01:111:f403:ca09::a
2a01:111:f403:ca21::e
2a01:111:f403:ca48::a
52.101.185.21
52.101.68.12
52.101.68.39
52.101.73.123		 mail-db8pr02cu00106.inbound.protection.outlook.com
mail-am7pr02cu00202.inbound.protection.outlook.com
mail-matpr04cu00306.inbound.protection.outlook.com
mail-miypr02cu00202.inbound.protection.outlook.com
mail-zrxpr05cu00105.inbound.protection.outlook.com
mail-db9pr02cu00204.inbound.protection.outlook.com
mail-db7pr03cu00607.inbound.protection.outlook.com
mail-am6pr02cu00203.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 → 52.98.154.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records   99ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 100 1 443 autodiscover.nrgi.dk
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

8 records   156ms
TXT Record
_qz6xoscf6fhiga88v4k7rfffkva9j2g
atlassian-domain-verification=ybKIsu5ATeKc4mKAcPSR3xqFIB701SlnmH1NBNl3SnKCko624iUHottOTJmqeLxU
google-site-verification=6W_PP1rL0vOQnIiBOvk6tf2QUBKaL9yZM_doLsIcEKY
google-site-verification=HyIHgtCBJakNUiU812Wiws3d0abUP88dJ2NbeseQFQE
google-site-verification=iglTnGvxQsBU1DnK1BPIJgdhST3KzdSgMY8_tDbc1uU
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#

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#

5 records   71ms
Service / OwnerTypeCert association
SMTP _25._tcp.konstant-dk.a-v1.mx.microsoft DANE-TA · Full cert · SHA-256 EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.konstant-dk.a-v1.mx.microsoft DANE-EE · SPKI · SHA-256 54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.konstant-dk.a-v1.mx.microsoft DANE-EE · SPKI · SHA-256 803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.konstant-dk.a-v1.mx.microsoft DANE-TA · Full cert · SHA-256 C1AD7778796D20BCA65C889A26550211…
HTTPS _443._tcp.konstant.dk DANE-EE · SPKI · SHA-256 5FFA07F15E7EABB8B3251CDCAAD8EAEA…

🔐 DNSSEC#

57ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

30ms
FieldValue
Serial2026101401
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 (68d)

🔗 Same registrant#

94 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
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-check.dkPunktum dk A/S (direct)
energi-el-salg.dkPunktum dk A/S (direct)
energi-venlig.dkPunktum dk A/S (direct)
energi10.dkPunktum dk A/S (direct)
energielhandel.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)
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)
grøn-flex.dkPunktum dk A/S (direct)
herlevelektrikeren.dkPunktum dk A/S (direct)
hoersholm-el.dkPunktum dk A/S (direct)
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)
simpel-el.dkPunktum dk A/S (direct)
simpelel.dkPunktum dk A/S (direct)
smartebyer.dkPunktum dk A/S (direct)
solpark-tagmark.dkA/S SCANNET
ultramail.dkPunktum dk A/S (direct)
v-o-k.dkPunktum dk A/S (direct)
version3.dkPunktum dk A/S (direct)
visuel-tilstandsrapport.dkA/S SCANNET
web-vind.dkPunktum dk A/S (direct)
webvind.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
30ms
A
24ms
MX
32ms
AAAA
29ms
TXT
156ms
CAA
27ms
HTTPS
41ms
TLSA
71ms
SOA
30ms
MTA-STS
54ms
DNSSEC
57ms
SRV
99ms
Total
548ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 06:40:15 shown 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 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