dbonline.dk

📜 Historical scan 2026-08-03 14:17:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dbonline.dk is a .dk domain served by 2 nameservers (damon.ns.cloudflare.com, melinda.ns.cloudflare.com). It was registered on 28 February 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.35.102 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by dbonline-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 30ms

Nameserver	IP addresses	PTR	ASN / ISP
damon.ns.cloudflare.com	108.162.193.96 172.64.33.96 173.245.59.96 2606:4700:58::adf5:3b60 2803:f800:50::6ca2:c160 2a06:98c1:50::ac40:2160	damon.ns.cloudflare.com damon.ns.cloudflare.com damon.ns.cloudflare.com damon.ns.cloudflare.com damon.ns.cloudflare.com damon.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
melinda.ns.cloudflare.com	108.162.192.198 172.64.32.198 173.245.58.198 2606:4700:50::adf5:3ac6 2803:f800:50::6ca2:c0c6 2a06:98c1:50::ac40:20c6	melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.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 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.35.102	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.217.74	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dbonline-dk.mail.protection.outlook.com	2a01:111:f403:ca09::1 2a01:111:f403:ca09::20 2a01:111:f403:ca09::4 2a01:111:f403:ca09::d 52.101.68.21 52.101.68.3 52.101.73.1 52.101.73.8	mail-as9pr07cu00301.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am0pr04cu00500.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 30ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:2366	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:d94a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.35.102,172.67.217.74 ech=AEX+DQBBlAAgACCYqUaurFiqANmifmCpzYfVj3rTgMwXHVZbnblNQKoHDAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:2366,2606:4700:3033::ac43:d94a

🔌 SRV Records#

1 records 94ms

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

📝 TXT Records#

4 records 177ms

TXT Record
brevo-code:32803cf8f4e3d5169f50ce8c66291325
google-site-verification: RufOc4ES01v4VOVTNkCC29kS-2n6KQzKR7AgM9Xxp40
MS=ms67081446
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.dbonline.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100

📬 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 2026-10-14 17:30:24

www	104.21.35.102 172.67.217.74 2606:4700:3033::6815:2366 2606:4700:3033::ac43:d94a (AS13335) (address records, no CNAME)
www vs bare domain	Same network dbonline.dk: 104.21.35.102 172.67.217.74 2606:4700:3033::6815:2366 2606:4700:3033::ac43:d94a (AS13335) www.dbonline.dk: 104.21.35.102 172.67.217.74 2606:4700:3033::6815:2366 2606:4700:3033::ac43:d94a (AS13335)
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#

2 found

Selector	CNAME	Key
mail	—	RSA · ~1024 bit below 2048 bit
selector1	selector1-dbonline-dk._domainkey.dorborsen.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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

51ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2411217280
Primary NS (MNAME)	damon.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 09:38:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-02-28
Expires	2027-02-28 (132d)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

31ms

37ms

AAAA

30ms

TXT

177ms

CAA

38ms

HTTPS

32ms

TLSA

897ms

SOA

0ms

MTA-STS

45ms

DNSSEC

51ms

SRV

94ms

Total

2150ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 17:30:24	1166ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-07 09:18:43	2674ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 04:51:18	1191ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-21 00:35:31	1104ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-28 02:12:09	924ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-23 18:42:05	5309ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-22 14:02:25	9685ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-08 23:05:57	1975ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-03 14:17:28 shown	2150ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-23 23:20:10	65535ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-10 09:17:19	2361ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-26 20:10:28	2918ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-20 00:51:46	2419ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-19 23:00:01	3016ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 01:15:59	759ms	2 NS 2 A 1 MX	🔒 Secure