certware.dk

📜 Historical scan 2026-09-25 18:01:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

certware.dk is a .dk domain served by 2 nameservers (felicity.ns.cloudflare.com, mia.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.65.15 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by certware-dk.mail.eo.outlook.com. The zone is not DNSSEC-signed, 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 47ms

Nameserver	IP addresses	PTR	ASN / ISP
felicity.ns.cloudflare.com	108.162.195.212 162.159.44.212 172.64.35.212 2606:4700:58::a29f:2cd4 2803:f800:50::6ca2:c3d4 2a06:98c1:50::ac40:23d4	felicity.ns.cloudflare.com felicity.ns.cloudflare.com felicity.ns.cloudflare.com felicity.ns.cloudflare.com felicity.ns.cloudflare.com felicity.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mia.ns.cloudflare.com	108.162.192.200 172.64.32.200 173.245.58.200 2606:4700:50::adf5:3ac8 2803:f800:50::6ca2:c0c8 2a06:98c1:50::ac40:20c8	mia.ns.cloudflare.com mia.ns.cloudflare.com mia.ns.cloudflare.com mia.ns.cloudflare.com mia.ns.cloudflare.com mia.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 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.65.15	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.157.65	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	certware-dk.mail.eo.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::24 2a01:111:f403:ca21::e 2a01:111:f403:ca3c::a 52.101.185.24 52.101.209.153 52.101.68.25 52.101.68.39	mail-du0pr03cu00102.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.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	172.67.157.65

🔷 AAAA Records (IPv6)#

2 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:9d41	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:410f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 45ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.65.15,172.67.157.65 ech=AEX+DQBB+gAgACBHo61Y/t95YsvhltSdUujm/ZV8vLg/WjmnWqd8SeZDOAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:9d41,2606:4700:3033::6815:410f

🔌 SRV Records#

1 records 73ms

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

📝 TXT Records#

4 records 198ms

TXT Record
google-site-verification=G6w92S4AXPNPaeF4isZBJiZe1SdUf1ObqY3Vdogdu4g
google-site-verification=Yy3frdyiv20SPG3VhUjN8gOnIvl6ZkDmHW85uW3fTY8
MS=ms18449467
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (certware.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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 2026-10-08 12:51:26

www	104.21.65.15 172.67.157.65 2606:4700:3031::ac43:9d41 2606:4700:3033::6815:410f (AS13335) (address records, no CNAME)
www vs bare domain	Same network certware.dk: 104.21.65.15 172.67.157.65 2606:4700:3031::ac43:9d41 2606:4700:3033::6815:410f (AS13335) www.certware.dk: 104.21.65.15 172.67.157.65 2606:4700:3031::ac43:9d41 2606:4700:3033::6815:410f (AS13335)
Wildcard	No

🔎 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#

74ms

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	2413668384
Primary NS (MNAME)	felicity.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#

47ms

46ms

66ms

AAAA

33ms

TXT

198ms

CAA

50ms

HTTPS

45ms

TLSA

83ms

SOA

0ms

MTA-STS

65ms

DNSSEC

74ms

SRV

73ms

Total

696ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 06:36:30	696ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 18:01:10 shown	696ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-31 16:16:31	8178ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-30 12:47:53	1402ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-03 10:21:29	4939ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 03:42:38	4585ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 20:10:22	1747ms	2 NS 2 A 1 MX	🔓 Insecure