silkeborg.dk

📜 Historical scan 2026-08-29 16:50:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

silkeborg.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.50.64.21 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by silkeborg-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 111ms

Nameserver	IP addresses	PTR	ASN / 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#

1 records 95ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.50.64.21	3600s	—	AS8075	Microsoft Corporation	20.48.0.0/12	🇮🇪 Ireland	Dublin

📧 MX Records#

1 records 88ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	silkeborg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::7 2a01:111:f403:ca04::c 2a01:111:f403:ca48::a 52.101.103.137 52.101.68.27 52.101.73.1 52.101.73.22	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am7pr05cu00106.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#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8

🔷 AAAA Records (IPv6)#

1 records 78ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2603:1020:5:6::3b	300s	—	AS8075	Microsoft Corporation	2603:1000:0:0:0:0:0:0/26	🇮🇪 Ireland	Dublin

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

14 records 307ms

TXT Record
_9yl3jmdoo96ckd6zovg4jjf01ty6ez9
_globalsign-domain-verification=C6DeWV7C_MUEGIpRTb6-1POtlXZQRisf_9p3gqjcEp
_globalsign-domain-verification=qn3EjwZ4AWv_sDk8d3B4LPbfVt_QANTex-X2KcNumv
_globalsign-domain-verification=Sj1AwCoscPLKeC2KK4dRea0-Vlksv0b0HZ_K9kk3QJ
_globalsign-domain-verification=TrCGOELvVw11Jsr324eLoMRBfayqIA8w6_YsTinpDY
_globalsign-domain-verification=WFcaIeC3j8I6hiHbIHPSrJPoR7Uvd-_PlwOc_I7Rcb
+xgPmC3P7Zt9/VU1vAnGGnTfEHB6wDkEx7G97dNS3TMNc91qtV9n+HtNw4h/J6IER4AhUcZlhZjaNpfH8eU8ng==
adobe-idp-site-verification=e9a4796a461a2e57b55f1c435e7c78009c6a46d484de50396cc58934c44a665e
apple-domain-verification=ap23V3de0gAb4o59
apple-domain-verification=jqaxPbS7bl1yMcli
citrix.mobile.ads.otp=epgvcasehijk4i0ud6hnl
globalsign-domain-verification=Z35uABrwvehZSXxBcfTN29dc3c5egpudRip-D7X0ED
v=msv1 t=5F5E272D-9B46-4545-8B4C-C2582EC83208
v=spf1 ip4:193.111.162.2 include:spf.protection.outlook.com include:spfinclude.sikkermail.dk include:spf.defgo.com -all

✉️ SPF#

Policy	Record (silkeborg.dk)
-all (hard fail)	v=spf1 ip4:193.111.162.2 include:spf.protection.outlook.com include:spfinclude.sikkermail.dk include:spf.defgo.com -all

📨 DMARC#

Policy	Record (_dmarc.silkeborg.dk)
p=quarantine	v=DMARC1; p=quarantine; ruf=mailto:sunm@silkeborg.dk; 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 2026-10-11 23:37:42

www	20.50.64.21 (AS8075) (address records, no CNAME)
www vs bare domain	Same network silkeborg.dk: 20.50.64.21 2603:1020:5:6::3b (AS8075) www.silkeborg.dk: 20.50.64.21 (AS8075)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-silkeborg-dk._domainkey.silkeborg.onmicrosoft.com	RSA · ~1024 bit below 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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

246ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026082801
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-18 11:53:17

Field	Value
Registrar	DANDOMAIN A/S
Registered	1997-01-31
Expires	2027-03-31 (163d)

🔗 Same registrant#

13 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).

Domain	Registrar
badevand-silkeborg.dk	Punktum dk A/S (direct)
bestem.dk	DANDOMAIN A/S
buskelundskolen.dk	Punktum dk A/S (direct)
circulareconomybeyondwaste.dk	ONE.COM A/S
gudenaakomiteen.dk	Punktum dk A/S (direct)
gudenåen.dk	Punktum dk A/S (direct)
nyhedsbrevsilkeborg.dk	DANDOMAIN A/S
oplevgudenaa.dk	Punktum dk A/S (direct)
rusmiddelcentersilkeborg.dk	Punktum dk A/S (direct)
silkeborgkommune.dk	DANDOMAIN A/S
silkejagten.dk	ONE.COM A/S
silkeskole.dk	DANDOMAIN A/S
udoglev.dk	DANDOMAIN A/S

📋 WHOIS#

⏱️ Lookup Timing#

111ms

95ms

88ms

AAAA

78ms

TXT

307ms

CAA

86ms

HTTPS

112ms

TLSA

892ms

SOA

0ms

MTA-STS

152ms

DNSSEC

246ms

SRV

141ms

Total

2305ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 06:52:42	1042ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 10:16:19	754ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 07:18:07	1089ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-22 21:50:29	1509ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-01 22:51:30	943ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-29 16:50:33 shown	2305ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 22:35:56	1596ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 10:28:42	1149ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 02:33:02	4634ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 23:41:07	1667ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 03:53:42	3341ms	2 NS 1 A 1 MX	🔒 Secure