difres.dk

📜 Historical scan 2026-06-28 07:15:17  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

difres.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 12 September 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by difres-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   180ms
NameserverIP addressesPTRASN / ISP
ns.dandomain.dk 185.25.141.3
2a02:2339:4006:109::dd		 ns.dandomain.dk
ns.dandomain.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.dandomain.dk 2a02:2339:1:108::dd:dd
91.197.248.66		 ns2.dandomain.dk
ns2.dandomain.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

🌍 A Records#

🌍
No A records found

📧 MX Records#

1 records   185ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s difres-dk.mail.protection.outlook.com 2a01:111:f403:ca04::2
2a01:111:f403:ca04::5
2a01:111:f403:ca04::b
2a01:111:f403:ca09::2
52.101.68.16
52.101.68.21
52.101.68.27
52.101.73.12		 mail-du2pr03cu00102.inbound.protection.outlook.com
mail-db3pr0202cu00205.inbound.protection.outlook.com
mail-dbbpr03cu00103.inbound.protection.outlook.com
mail-am0pr83cu00402.inbound.protection.outlook.com
mail-db4pr02cu00400.inbound.protection.outlook.com
mail-db4pr02cu00205.inbound.protection.outlook.com
mail-db7pr03cu00503.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records   345ms
TXT Record
bRBcY5xJ0Raj3TKerZjUYbu+CVblTWuMzpRgLtKa93xqSbPpWugN8DKqY863acuuOE8YrmqvhSx97yBXhpHmMg==
MS=ms49003482
v=spf1 include:spf.dtu.dk include:spf.peoplexs.com include:spf.protection.outlook.com ip4:94.231.107.25 ip4:94.231.107.21 ip4:93.90.115.122 ip4:193.162.253.0/24 include:spf.mx.fab-it.dk a:130.226.135.15 -all
vAHFwQnyXQLkQ6K6tF63E1BkhY2Z8Z6ocyTY0+B2l7yj67DawJdQomqBKn0/0Q7OLhXfHrr/ZBZBwOXLMt3mzQ==

✉️ SPF#

PolicyRecord (difres.dk)
-all (hard fail) v=spf1 include:spf.dtu.dk include:spf.peoplexs.com include:spf.protection.outlook.com ip4:94.231.107.25 ip4:94.231.107.21 ip4:93.90.115.122 ip4:193.162.253.0/24 include:spf.mx.fab-it.dk a:130.226.135.15 -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 2026-10-10 17:18:38
wwwNXDOMAIN
www vs bare domainNeither resolves
difres.dk: no address
www.difres.dk: no address
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: 8/10 · policy: -all

  • error include:spf.peoplexs.com has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)
  • warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

315ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

211ms
FieldValue
Serial2024070101
Primary NS (MNAME)ns.dandomain.dk
Responsible (RNAME)hostmaster@dandomain.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-15 22:11:47
FieldValue
RegistrarDANDOMAIN A/S
Registered2023-09-12
Expires2027-09-11 (327d)

🔗 Same registrant#

151 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
3g-center.dkSimply.com A/S
4m-centre.dkSimply.com A/S
abyss.dkSimply.com A/S
accuwind.dkPunktum dk A/S (direct)
alumniplus.dkPunktum dk A/S (direct)
arches2012.dkSimply.com A/S
aribah.dkPunktum dk A/S (direct)
bear-hearing.dkSimply.com A/S
bigq.dkSimply.com A/S
bigscience.dkWEB SOLUTIONS A/S
biobrug.dkPunktum dk A/S (direct)
biogasupgrade.dkPunktum dk A/S (direct)
boernenesuniversitet.dkSimply.com A/S
bonus-optimus.dkPunktum dk A/S (direct)
borger-cert.dkPunktum dk A/S (direct)
bridgingthegap.dkSimply.com A/S
børnenesuniversitet.dkPunktum dk A/S (direct)
carbospot.dkPunktum dk A/S (direct)
ceinitiative.dkPunktum dk A/S (direct)
cemac.dkPunktum dk A/S (direct)
cert.dkPunktum dk A/S (direct)
cewqo2017.dkSimply.com A/S
chemsafe.dkPunktum dk A/S (direct)
chips-competence-centre.dkSimply.com A/S
computerome.dkPunktum dk A/S (direct)
cpcs.dkPunktum dk A/S (direct)
cphfuture.dkPunktum dk A/S (direct)
cvt.dkPunktum dk A/S (direct)
da-gate.dkPunktum dk A/S (direct)
danish-universities.dkPROCOPA IT ApS
danishdays.dkPunktum dk A/S (direct)
danishuniversities.dkPROCOPA IT ApS
danske-universiteter.dkPROCOPA IT ApS
darenet.dkPunktum dk A/S (direct)
datasikkerhedsbladet.dkPunktum dk A/S (direct)
dccsm.dkPunktum dk A/S (direct)
dcf-denmark.dkPunktum dk A/S (direct)
dcrs.dkPunktum dk A/S (direct)
deic.dkPunktum dk A/S (direct)
derisk.dkPunktum dk A/S (direct)
dig-e.dkPunktum dk A/S (direct)
dix.dkPunktum dk A/S (direct)
dk-cert.dkPunktum dk A/S (direct)
dkcert.dkPunktum dk A/S (direct)
dnsc.dkPunktum dk A/S (direct)
dsri.dkPunktum dk A/S (direct)
dtb.dkPunktum dk A/S (direct)
dtu-alarm.dkSimply.com A/S
dtu.dkPunktum dk A/S (direct)
dtub.dkPunktum dk A/S (direct)
dtubusiness.dkPunktum dk A/S (direct)
dtv.dkPunktum dk A/S (direct)
dunet.dkDanmarks Tekniske Universitet
duraledge.dkPunktum dk A/S (direct)
e-universitet.dkPunktum dk A/S (direct)
eduroam.dkPunktum dk A/S (direct)
efsa.dkPunktum dk A/S (direct)
elchemea.dkPunktum dk A/S (direct)
entrepreneurial.dkPunktum dk A/S (direct)
erc-electrothermo.dkPunktum dk A/S (direct)
esabic.dkPunktum dk A/S (direct)
eurocc.dkPunktum dk A/S (direct)
executivemba.dkPunktum dk A/S (direct)
executivemmt.dkPunktum dk A/S (direct)
findit.dkPunktum dk A/S (direct)
fisker-forsker.dkDANDOMAIN A/S
fleksibelenergi.dkPunktum dk A/S (direct)
flexibleenergy.dkPunktum dk A/S (direct)
formalmethods.dkPunktum dk A/S (direct)
forskningsfronten.dkPunktum dk A/S (direct)
forskningsnet-cert.dkPunktum dk A/S (direct)
forskningsnet.dkPunktum dk A/S (direct)
forskningsnettet.dkPunktum dk A/S (direct)
forskningsportalen.dkPunktum dk A/S (direct)
fsknet.dkPunktum dk A/S (direct)
g2v2g.dkPunktum dk A/S (direct)
galathea3.dkPunktum dk A/S (direct)
gluckstad.dkPunktum dk A/S (direct)
havforskning.dkPunktum dk A/S (direct)
hawc2.dkPunktum dk A/S (direct)
hco2020.dkPunktum dk A/S (direct)
hcoersted2020.dkPunktum dk A/S (direct)
healthyoushare.dkPunktum dk A/S (direct)
hydrograv.dkPunktum dk A/S (direct)
i2.dkPunktum dk A/S (direct)
i4i.dkPunktum dk A/S (direct)
icert.dkPunktum dk A/S (direct)
ihk-edu.dkPunktum dk A/S (direct)
incert.dkPunktum dk A/S (direct)
information4innovation.dkPunktum dk A/S (direct)
informationforinnovation.dkPunktum dk A/S (direct)
inka-project.dkPunktum dk A/S (direct)
intcert.dkPunktum dk A/S (direct)
intercert.dkPunktum dk A/S (direct)
it-sik.dkPunktum dk A/S (direct)
it-sikkerhedsbladet.dkPunktum dk A/S (direct)
komdigital.dkPunktum dk A/S (direct)
lifewind.dkPunktum dk A/S (direct)
lira-project.dkPunktum dk A/S (direct)
metajournal.dkPunktum dk A/S (direct)

Showing 100 of 151.

📋 WHOIS#

⏱️ Lookup Timing#

NS
180ms
A
175ms
MX
185ms
AAAA
229ms
TXT
345ms
CAA
220ms
HTTPS
224ms
TLSA
919ms
SOA
211ms
MTA-STS
250ms
DNSSEC
315ms
SRV
303ms
Total
1949ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-24 00:51:10 669ms 2 NS 0 A 1 MX 🔒 Secure
2026-09-09 19:01:13 1320ms 2 NS 0 A 1 MX 🔒 Secure
2026-08-28 06:58:55 1129ms 2 NS 0 A 1 MX 🔒 Secure
2026-06-28 09:27:48 1004ms 2 NS 0 A 1 MX 🔒 Secure
2026-06-28 07:15:17 shown 1949ms 2 NS 0 A 1 MX 🔒 Secure
2026-06-17 02:45:36 500ms 2 NS 0 A 1 MX 🔒 Secure
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