silcofa.dk

📜 Historical scan 2026-08-19 03:24:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

silcofa.dk is a .dk domain served by 2 nameservers (meiling.ns.cloudflare.com, sullivan.ns.cloudflare.com). It was registered on 16 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.46.231 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by silcofa-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 370ms

Nameserver	IP addresses	PTR	ASN / ISP
meiling.ns.cloudflare.com	108.162.194.254 162.159.38.254 172.64.34.254 2606:4700:50::a29f:26fe 2803:f800:50::6ca2:c2fe 2a06:98c1:50::ac40:22fe	meiling.ns.cloudflare.com meiling.ns.cloudflare.com meiling.ns.cloudflare.com meiling.ns.cloudflare.com meiling.ns.cloudflare.com meiling.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sullivan.ns.cloudflare.com	108.162.195.161 162.159.44.161 172.64.35.161 2606:4700:58::a29f:2ca1 2803:f800:50::6ca2:c3a1 2a06:98c1:50::ac40:23a1	sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.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 250ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.46.231	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.143.35	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 237ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	silcofa-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::c 2a01:111:f403:ca09::6 2a01:111:f403:ca09::b 52.101.73.15 52.101.73.2 52.101.73.24 52.101.73.26	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-as9pr05cu01302.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

🔷 AAAA Records (IPv6)#

2 records 221ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:2ee7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:8f23	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 323ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.46.231,172.67.143.35 ech=AEX+DQBBvQAgACDLok3hpxw0LUaqPYeSDaOBiT44zx5Le+CW5/A8I+18EQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:2ee7,2606:4700:3035::ac43:8f23

📝 TXT Records#

2 records 935ms

TXT Record
MS=ms83757666
v=spf1 ip4:152.115.107.189 include:_spf.powerhosting.dk include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (silcofa.dk)
-all (hard fail)	v=spf1 ip4:152.115.107.189 include:_spf.powerhosting.dk include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.silcofa.dk)
p=reject	v=DMARC1; p=reject

📬 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 2026-10-06 11:31:32

www	Address record (no CNAME)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-silcofa-dk._domainkey.silcofadk.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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

729ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412538837
Primary NS (MNAME)	meiling.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 11:47:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-02-16
Expires	2027-03-31 (162d)

📋 WHOIS#

⏱️ Lookup Timing#

370ms

250ms

237ms

AAAA

221ms

TXT

935ms

CAA

318ms

HTTPS

323ms

TLSA

767ms

SOA

0ms

MTA-STS

332ms

DNSSEC

729ms

SRV

385ms

Total

12722ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 11:31:32	1177ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-24 07:14:29	1468ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-16 01:27:29	2764ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-28 05:39:23	1677ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-19 03:24:35 shown	12722ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-25 21:38:49	2135ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-22 16:45:38	19162ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-01 21:23:16	1876ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-30 09:55:37	989ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-18 05:51:06	1357ms	2 NS 2 A 1 MX	🔒 Secure