upgrade.dk

📜 Historical scan 2026-06-17 12:06:04  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

upgrade.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 22 December 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.48 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by upgrade-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#

4 records   199ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   195ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.103.48 — linux62.unoeuro.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —

📧 MX Records#

1 records   199ms
PriorityTTLMail ServerIP addressesPTRASN
0 — upgrade-dk.mail.protection.outlook.com 2a01:111:f403:ca04::7
2a01:111:f403:ca09::7
2a01:111:f403:ca09::d
2a01:111:f403:ca09::e
52.101.68.0
52.101.73.12
52.101.73.2
52.101.73.30		 mail-db4pr02cu00307.inbound.protection.outlook.com
mail-am9pr04cu00107.inbound.protection.outlook.com
mail-as9pr05cu01305.inbound.protection.outlook.com
mail-am7pr05cu00206.inbound.protection.outlook.com
mail-db3pr0202cu00100.inbound.protection.outlook.com
mail-am4pr0401cu00104.inbound.protection.outlook.com
mail-as9pr07cu00302.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   289ms
TXT Record
v=DMARC1; p=reject; rua=mailto:lars@upgradeit.dk;
v=spf1 include:webinarjam.net include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (upgrade.dk)
-all (hard fail) v=spf1 include:webinarjam.net 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 2026-10-12 22:35:09
www94.231.103.48 (AS48854) (address records, no CNAME)
www vs bare domainSame network
upgrade.dk: 94.231.103.48 (AS48854)
www.upgrade.dk: 94.231.103.48 (AS48854)
WildcardYes: any name under the zone resolves
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found
SelectorCNAMEKey
selector1 selector1-upgrade-dk._domainkey.upgrade365.onmicrosoft.com RSA · ~1024 bit below 2048 bit
selector2 selector2-upgrade-dk._domainkey.upgrade365.onmicrosoft.com 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: 10/10 · policy: -all

  • warn 10 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#

376ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

202ms
FieldValue
Serial2024082302
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-19 08:36:17
FieldValue
RegistrarSimply.com A/S
Registered2017-12-22
Expires2027-07-31 (278d)

🔗 Same registrant#

15 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
aiuniversitetet.dkSimply.com A/S
centerforai.dkSimply.com A/S
groundaccount.dkSimply.com A/S
haderslevreformerstudio.dkSimply.com A/S
johna.dkSimply.com A/S
kursusdanmark.dkSimply.com A/S
licenstjek.dkSimply.com A/S
lindevej10.dkSimply.com A/S
microlearnings.dkSimply.com A/S
nordicreformerstudio.dkSimply.com A/S
officetest.dkSimply.com A/S
prorepubliqfitness.dkSimply.com A/S
slushicehaderslev.dkSimply.com A/S
upgradeit.dkSimply.com A/S
vinsalonen.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
199ms
A
195ms
MX
199ms
AAAA
193ms
TXT
289ms
CAA
196ms
HTTPS
198ms
TLSA
139ms
SOA
202ms
MTA-STS
74ms
DNSSEC
376ms
SRV
0ms
Total
3370ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-12 22:35:09 1135ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-01 08:22:23 1111ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-23 04:04:33 1366ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-28 09:47:06 1098ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-27 05:53:45 683ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-26 08:21:06 1007ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-22 07:44:14 1123ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-21 23:19:21 920ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 12:06:04 shown 3370ms 4 NS 1 A 1 MX 🔒 Secure
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