onsild.dk

📜 Historical scan 2026-07-08 09:30:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

onsild.dk is a .dk domain served by 2 nameservers (bella.ns.cloudflare.com, mark.ns.cloudflare.com). It was registered on 7 December 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.126.204.255 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by onsild-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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#

2 records 71ms

Nameserver	IP addresses	PTR	ASN / ISP
bella.ns.cloudflare.com	108.162.192.74 172.64.32.74 173.245.58.74 2606:4700:50::adf5:3a4a 2803:f800:50::6ca2:c04a 2a06:98c1:50::ac40:204a	bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mark.ns.cloudflare.com	108.162.193.130 172.64.33.130 173.245.59.130 2606:4700:58::adf5:3b82 2803:f800:50::6ca2:c182 2a06:98c1:50::ac40:2182	mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 80ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.126.204.255	300s	ec2-3-126-204-255.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	3.96.0.0/11	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

1 records 75ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	onsild-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::8 2a01:111:f403:ca09::3 2a01:111:f403:ca09::9 52.101.68.0 52.101.68.32 52.101.68.39 52.101.73.15	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am9pr04cu00107.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 248ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (onsild.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.onsild.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:2fa17729b585438789f0db33a8cf8ab8@dmarc-reports.cloudflare.net,mailto:dmarc@onsild.dk

📬 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 2026-10-09 18:04:31

www	3.126.204.255 (AS16509) (address records, no CNAME)
www vs bare domain	Same network onsild.dk: 3.126.204.255 (AS16509) www.onsild.dk: 3.126.204.255 (AS16509)
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-onsild-dk._domainkey.onsild.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: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.onsild.dk	8dHCqt2HyIyBxAwQI1INsEIk29EFGASy5dQ4SfhPvoQ
TXT	_acme-challenge.onsild.dk	RkaAx3toCudiCij1J-dHUd6Sx3L5Fx8hrZOl38WS2x4

🔗 TLSA / DANE#

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

🔐 DNSSEC#

234ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2408930043
Primary NS (MNAME)	bella.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 18:28:39

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-12-07
Expires	2026-12-31 (75d)

📋 WHOIS#

⏱️ Lookup Timing#

71ms

80ms

75ms

AAAA

60ms

TXT

248ms

CAA

72ms

HTTPS

76ms

TLSA

172ms

SOA

0ms

MTA-STS

89ms

DNSSEC

234ms

SRV

113ms

Total

2127ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 18:04:31	1412ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 08:05:11	1227ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-17 07:19:23	1379ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-06 20:04:39	1121ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-31 08:46:30	2178ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-29 22:44:25	764ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 14:17:58	844ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-23 01:16:58	2614ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-21 00:50:59	9139ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-19 23:49:14	2520ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-15 06:55:29	5928ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-14 02:42:48	4588ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-29 19:15:57	10362ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-08 09:30:20 shown	2127ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-06 10:39:23	3935ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 05:19:55	4533ms	2 NS 1 A 1 MX	🔒 Secure