silicom.dk

📜 Historical scan 2026-09-28 17:49:08 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

silicom.dk is a .dk domain served by 2 nameservers (kanye.ns.cloudflare.com, lina.ns.cloudflare.com). It was registered on 6 December 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.95.2 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by silicom-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 32ms

Nameserver	IP addresses	PTR	ASN / ISP
kanye.ns.cloudflare.com	108.162.193.189 172.64.33.189 173.245.59.189 2606:4700:58::adf5:3bbd 2803:f800:50::6ca2:c1bd 2a06:98c1:50::ac40:21bd	kanye.ns.cloudflare.com kanye.ns.cloudflare.com kanye.ns.cloudflare.com kanye.ns.cloudflare.com kanye.ns.cloudflare.com kanye.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lina.ns.cloudflare.com	108.162.192.187 172.64.32.187 173.245.58.187 2606:4700:50::adf5:3abb 2803:f800:50::6ca2:c0bb 2a06:98c1:50::ac40:20bb	lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.95.2	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.142.115	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	120s	silicom-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca21::8 2a01:111:f403:ca21::a 2a01:111:f403:ca21::e 52.101.209.31 52.101.68.21 52.101.91.156 52.101.91.162	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-maspr04cu00104.inbound.protection.outlook.com mail-matpr04cu00302.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 → 40.104.116.40
🔶 Autoconfig	87.116.42.123

🔷 AAAA Records (IPv6)#

2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:8e73	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:5f02	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 42ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.95.2,172.67.142.115 ech=AEX+DQBBKgAgACARF55rZiMeByKr5cNNUURpALn0vYNer0rh+Kko2GIFHwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:8e73,2606:4700:3037::6815:5f02

🔌 SRV Records#

1 records 77ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 182ms

TXT Record
atlassian-domain-verification=X80CxZD6p6oYB3Rdr8T-2Cfk1LxYLAEFIHuEoCEbgAf/p9xM5tf+XJXUG++aTZc5
atlassian-sending-domain-verification=9ea338e7-beba-4e4a-98b3-ca00281b06df
v=spf1 a:cp03.nordicway.dk ip4:5.179.91.58 ip4:185.70.170.48 include:spf.protection.outlook.com include:_spf.mlsend.com include:_spf.atlassian.net include:_spf.atlassian.net ~all

✉️ SPF#

Policy	Record (silicom.dk)
~all (soft fail)	v=spf1 a:cp03.nordicway.dk ip4:5.179.91.58 ip4:185.70.170.48 include:spf.protection.outlook.com include:_spf.mlsend.com include:_spf.atlassian.net include:_spf.atlassian.net ~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 2026-10-18 08:45:45

www	104.21.95.2 172.67.142.115 2606:4700:3032::ac43:8e73 2606:4700:3037::6815:5f02 (AS13335) (address records, no CNAME)
www vs bare domain	Same network silicom.dk: 104.21.95.2 172.67.142.115 2606:4700:3032::ac43:8e73 2606:4700:3037::6815:5f02 (AS13335) www.silicom.dk: 104.21.95.2 172.67.142.115 2606:4700:3032::ac43:8e73 2606:4700:3037::6815:5f02 (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1._domainkey.atlassian.net	RSA · ~2048 bit
s2	s2._domainkey.atlassian.net	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: 7/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

116ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2416080252
Primary NS (MNAME)	kanye.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 22:43:19

Field	Value
Registrar	nordicway ApS
Registered	2016-12-06
Expires	2028-12-31 (804d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

44ms

53ms

AAAA

43ms

TXT

182ms

CAA

42ms

HTTPS

42ms

TLSA

632ms

SOA

0ms

MTA-STS

60ms

DNSSEC

116ms

SRV

77ms

Total

1381ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 08:45:45	1972ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-16 06:40:20	1427ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-09 12:52:44	1209ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-08 22:32:51	1551ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 20:34:55	1186ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 18:03:44	1543ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-28 17:49:08 shown	1381ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-27 17:36:41	1272ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-25 22:55:45	1943ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-21 09:18:39	1484ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-14 07:38:13	1441ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-10 14:42:43	2158ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-05 05:38:34	4241ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-27 02:13:58	1411ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-26 01:47:02	2224ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-23 20:45:03	4211ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-21 19:42:21	10417ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-20 19:30:35	12391ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-19 18:03:02	2593ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-17 05:11:27	9557ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-12 03:28:32	1595ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-10 23:04:37	2178ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-09 22:28:24	4436ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-28 02:28:49	9128ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-20 16:05:53	2836ms	2 NS 2 A 1 MX	🔒 Secure