yellowstack.dk

📜 Historical scan 2026-06-25 16:42:07  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

yellowstack.dk is a .dk domain served by 4 nameservers (ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org and 1 more). It was registered on 18 April 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by yellowstack-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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   61ms
NameserverIP addressesPTRASN / ISP
ns1-09.azure-dns.com 13.107.236.9
2603:1061:0:700::9		 ns1-09.azure-dns.com
ns1-09.azure-dns.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns2-09.azure-dns.net 150.171.21.9
2620:1ec:8ec:700::9		 ns2-09.azure-dns.net
ns2-09.azure-dns.net		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns3-09.azure-dns.org 204.14.183.9
2a01:111:4000:700::9		 ns3-09.azure-dns.org
ns3-09.azure-dns.org		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns4-09.azure-dns.info 208.84.5.9
2620:1ec:bda:700::9		 ns4-09.azure-dns.info
ns4-09.azure-dns.info		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

🌍 A Records#

🌍
No A records found

📧 MX Records#

1 records   38ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s yellowstack-dk.mail.protection.outlook.com 2a01:111:f403:ca04::10
2a01:111:f403:ca04::a
2a01:111:f403:ca04::d
2a01:111:f403:ca09::1
52.101.73.12
52.101.73.15
52.101.73.2
52.101.73.30		 mail-dbapr03cu00100.inbound.protection.outlook.com
mail-du0pr03cu00102.inbound.protection.outlook.com
mail-db6pr03cu00105.inbound.protection.outlook.com
mail-as9pr07cu00301.inbound.protection.outlook.com
mail-am4pr0401cu00104.inbound.protection.outlook.com
mail-am9pr04cu00107.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

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   89ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

2 records   242ms
TXT Record
MS=ms60673597
v=spf1 ip4:77.234.175.128/29 include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (yellowstack.dk)
-all (hard fail) v=spf1 ip4:77.234.175.128/29 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 2026-10-08 05:49:25
wwwNXDOMAIN
www vs bare domainNeither resolves
yellowstack.dk: no address
www.yellowstack.dk: no address
WildcardNo

🔎 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🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

60ms
FieldValue
Serial1
Primary NS (MNAME)ns1-09.azure-dns.com
Responsible (RNAME)azuredns-hostmaster@microsoft.com
Refresh3600s
Retry300s
Expire2419200s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-20 21:42:36
FieldValue
RegistrarEurodns S.A
Registered2017-04-18
Expires2027-04-30 (185d)

🔗 Same registrant#

628 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
1118.dkEurodns S.A
113online.dkEurodns S.A
12mobil.dkEurodns S.A
247e.dkEurodns S.A
247entertainment.dkEurodns S.A
4x90.dkEurodns S.A
70151880.dkEurodns S.A
90-numre.dkEurodns S.A
90909090.dkEurodns S.A
adacit.dkEurodns S.A
adact-it.dkEurodns S.A
adact.dkEurodns S.A
adactit.dkEurodns S.A
adslhome.dkEurodns S.A
afwa.dkEurodns S.A
aplus-mail.dkEurodns S.A
aplusfwa.dkEurodns S.A
aplusmail.dkEurodns S.A
appowerment.dkEurodns S.A
as4.dkEurodns S.A
baekkenet.dkEurodns S.A
balle-bredsted.dkEurodns S.A
baremobil.dkEurodns S.A
basisinternet.dkEurodns S.A
besked-service.dkEurodns S.A
besked-svar.dkEurodns S.A
beskedboks.dkEurodns S.A
bierstedaf.dkEurodns S.A
bigmail.dkEurodns S.A
bio.dkEurodns S.A
blue9.dkEurodns S.A
blueposition.dkEurodns S.A
blå-tone.dkEurodns S.A
blåtoner.dkEurodns S.A
boeger.dkEurodns S.A
boger.dkEurodns S.A
bolderslevnet.dkEurodns S.A
bpcloud.dkEurodns S.A
braedstrup-ant.dkEurodns S.A
brammingnet.dkEurodns S.A
branchesalg.dkEurodns S.A
bredbaand-adsl.dkEurodns S.A
bredbaand-portal.dkEurodns S.A
bredbaand-telefoni.dkEurodns S.A
bredbaand.dkEurodns S.A
bredbaandtelefoni.dkEurodns S.A
bredband2go.dkEurodns S.A
bredbånd-telefoni.dkEurodns S.A
bredbånd2go.dkEurodns S.A
bredbåndprivat.dkEurodns S.A
bredbåndsnet.dkEurodns S.A
bredbåndstv.dkEurodns S.A
bredbåndtelefoni.dkEurodns S.A
businessvideo.dkEurodns S.A
c-anl.dkEurodns S.A
cabeltalk.dkEurodns S.A
cafeer.dkEurodns S.A
ccelab.dkEurodns S.A
ccfactory.dkEurodns S.A
ccmessaging.dkEurodns S.A
chicks.dkEurodns S.A
cinema.dkEurodns S.A
cirque-udv.dkEurodns S.A
cloudvideo.dkEurodns S.A
connectlync.dkEurodns S.A
connectvideo.dkEurodns S.A
contactcentereurope.dkEurodns S.A
coopmobil.dkEurodns S.A
cpedev.dkEurodns S.A
cpemap.dkEurodns S.A
cpemon.dkEurodns S.A
crusade.dkEurodns S.A
cubeio.dkEurodns S.A
cyberdagen.dkEurodns S.A
cybersecuritydanmark.dkEurodns S.A
danmarksoplysningen.dkEurodns S.A
dinge-lin.dkEurodns S.A
dinge-link.dkEurodns S.A
dingelinks.dkEurodns S.A
dk4040.dkEurodns S.A
dknet.dkEurodns S.A
duet.dkEurodns S.A
dyb-net.dkEurodns S.A
eeeasy.dkEurodns S.A
eesy.dkEurodns S.A
egeskovnet.dkEurodns S.A
ekstraservice.dkEurodns S.A
ekstraservices.dkEurodns S.A
epost-danmark.dkEurodns S.A
eqo.dkEurodns S.A
erhvervssalg.dkEurodns S.A
erhvervtdc.dkEurodns S.A
esenet.dkEurodns S.A
eunet.dkEurodns S.A
events.dkEurodns S.A
ewebprod-ekstern.dkEurodns S.A
ewebprod-intern.dkEurodns S.A
ewebprodblanketter.dkEurodns S.A
ewebprodekstern.dkEurodns S.A
ewebprodintern.dkEurodns S.A

Showing 100 of 628.

📋 WHOIS#

⏱️ Lookup Timing#

NS
61ms
A
38ms
MX
38ms
AAAA
81ms
TXT
242ms
CAA
60ms
HTTPS
60ms
TLSA
233ms
SOA
60ms
MTA-STS
72ms
DNSSEC
76ms
SRV
89ms
Total
1022ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-12 20:19:20 1149ms 4 NS 0 A 1 MX 🔓 Insecure
2026-08-27 17:37:32 937ms 4 NS 0 A 1 MX 🔓 Insecure
2026-08-27 06:38:25 1120ms 4 NS 0 A 1 MX 🔓 Insecure
2026-06-25 16:42:07 shown 1022ms 4 NS 0 A 1 MX 🔓 Insecure
2026-06-17 12:12:25 3335ms 4 NS 0 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone