skywork.dk

📜 Historical scan 2026-08-22 12:26:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

skywork.dk is a .dk domain served by 2 nameservers (aiden.ns.cloudflare.com, maxine.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.30.219 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by skywork-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 54ms

Nameserver	IP addresses	PTR	ASN / ISP
aiden.ns.cloudflare.com	108.162.193.55 172.64.33.55 173.245.59.55 2606:4700:58::adf5:3b37 2803:f800:50::6ca2:c137 2a06:98c1:50::ac40:2137	aiden.ns.cloudflare.com aiden.ns.cloudflare.com aiden.ns.cloudflare.com aiden.ns.cloudflare.com aiden.ns.cloudflare.com aiden.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
maxine.ns.cloudflare.com	108.162.194.179 162.159.38.179 172.64.34.179 2606:4700:50::a29f:26b3 2803:f800:50::6ca2:c2b3 2a06:98c1:50::ac40:22b3	maxine.ns.cloudflare.com maxine.ns.cloudflare.com maxine.ns.cloudflare.com maxine.ns.cloudflare.com maxine.ns.cloudflare.com maxine.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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.30.219	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.173.245	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	skywork-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::e 2a01:111:f403:ca09::3 2a01:111:f403:ca09::d 52.101.68.15 52.101.68.36 52.101.68.5 52.101.73.24	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00300.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)#

2 records 48ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:1edb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:adf5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 46ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.30.219,172.67.173.245 ech=AEX+DQBB7gAgACAqV7TUUYN2yGAxT9I1aGGgnh9ZZ4qUh4/WCvwVRXeRXwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:1edb,2606:4700:3035::ac43:adf5

🔌 SRV Records#

1 records 114ms

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

📝 TXT Records#

7 records 239ms

TXT Record
ca3-88a8504da28d4d15b5619b3b22a6c322
ca3-c4e5ca5ed05d4429b4a8a71d9e7e7257
google-site-verification=1AvkSE1qBCC9VjQhpMs0qNLJHNcDla34sDZTAb61yfk
google-site-verification=HLP0XLp3cKvQM4JSmC_Yegu8SNkYvLns658-YNb-8og
google-site-verification=oWQxn5m20W3fGQGjlz6d7og0N1hCOG6YVfXJ6wO7Fs0
v=spf1 include:eu.zcsend.net include:zoho.eu include:eu-sender.zohobooks.com include:spf.protection.outlook.com ~all
zoho-verification=zb53544775.zmverify.zoho.eu

✉️ SPF#

Policy	Record (skywork.dk)
~all (soft fail)	v=spf1 include:eu.zcsend.net include:zoho.eu include:eu-sender.zohobooks.com include:spf.protection.outlook.com ~all

📨 DMARC#

Policy	Record (_dmarc.skywork.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:admin@skywork.dk; ruf=mailto:admin@skywork.dk; sp=none; adkim=s; aspf=s

📬 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 2026-10-13 08:08:01

www	104.21.30.219 172.67.173.245 2606:4700:3035::6815:1edb 2606:4700:3035::ac43:adf5 (AS13335) (address records, no CNAME)
www vs bare domain	Same network skywork.dk: 104.21.30.219 172.67.173.245 2606:4700:3035::6815:1edb 2606:4700:3035::ac43:adf5 (AS13335) www.skywork.dk: 104.21.30.219 172.67.173.245 2606:4700:3035::6815:1edb 2606:4700:3035::ac43:adf5 (AS13335)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u106954720.wl221.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u106954720.wl221.sendgrid.net	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: 6/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.skywork.dk	0LdF3EcliMeXYKotQWLqBNUFZO9BvbpL9WU79Yi5gYM
TXT	_acme-challenge.skywork.dk	Vg717aF0qrO34zu765YqRfvmVJBjXza5Lg8YLSDit-k

🔗 TLSA / DANE#

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

🔐 DNSSEC#

144ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2412818786
Primary NS (MNAME)	aiden.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

54ms

50ms

54ms

AAAA

48ms

TXT

239ms

CAA

66ms

HTTPS

46ms

TLSA

382ms

SOA

0ms

MTA-STS

68ms

DNSSEC

144ms

SRV

114ms

Total

1660ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 20:49:14	1581ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-01 01:40:20	1417ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 01:26:16	1099ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-24 18:17:44	1856ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-22 12:26:26 shown	1660ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-23 04:59:14	1392ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-03 01:19:19	1127ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-19 19:26:05	1261ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 11:47:30	1924ms	2 NS 2 A 1 MX	🔓 Insecure