smartoptimize.dk

📜 Historical scan 2026-08-19 04:28:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

smartoptimize.dk is a .dk domain served by 2 nameservers (ivy.ns.cloudflare.com, lou.ns.cloudflare.com). It was registered on 22 January 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.23.8 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smartoptimize-dk.mail.protection.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 297ms

Nameserver	IP addresses	PTR	ASN / ISP
ivy.ns.cloudflare.com	108.162.192.120 172.64.32.120 173.245.58.120 2606:4700:50::adf5:3a78 2803:f800:50::6ca2:c078 2a06:98c1:50::ac40:2078	ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lou.ns.cloudflare.com	108.162.193.199 172.64.33.199 173.245.59.199 2606:4700:58::adf5:3bc7 2803:f800:50::6ca2:c1c7 2a06:98c1:50::ac40:21c7	lou.ns.cloudflare.com lou.ns.cloudflare.com lou.ns.cloudflare.com lou.ns.cloudflare.com lou.ns.cloudflare.com lou.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 240ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.23.8	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.208.66	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 252ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	smartoptimize-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::7 2a01:111:f403:ca09::2 2a01:111:f403:ca09::20 52.101.68.25 52.101.68.3 52.101.68.36 52.101.73.19	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as8pr04cu00803.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 → 40.104.116.56
🔶 Autoconfig	104.21.23.8

🔷 AAAA Records (IPv6)#

2 records 271ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:1708	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:d042	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 274ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.23.8,172.67.208.66 ech=AEX+DQBBSwAgACBSI8SIWpPJZ+nSdwGLH9F2pFQjr+CzXuXIqbfFP/QdWAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:1708,2606:4700:3037::ac43:d042

🔌 SRV Records#

1 records 321ms

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

📝 TXT Records#

4 records 692ms

TXT Record
atlassian-domain-verification=G2jKMIwvLyKRl337KFAZyo8A6/rHfeEcQQ7bXwDHa5CLGrMr7TIb2r2t22QG0Pd0
atlassian-sending-domain-verification=ab77f127-1c03-45b8-b933-e25dedf35d07
MS=ms45329542
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (smartoptimize.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 2026-10-17 06:22:16

www	104.21.23.8 172.67.208.66 2606:4700:3032::6815:1708 2606:4700:3037::ac43:d042 (AS13335) (address records, no CNAME)
www vs bare domain	Same network smartoptimize.dk: 104.21.23.8 172.67.208.66 2606:4700:3032::6815:1708 2606:4700:3037::ac43:d042 (AS13335) www.smartoptimize.dk: 104.21.23.8 172.67.208.66 2606:4700:3032::6815:1708 2606:4700:3037::ac43:d042 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 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#

439ms

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	2412492808
Primary NS (MNAME)	ivy.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 06:33:53

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-01-22
Expires	2027-01-21 (94d)

📋 WHOIS#

⏱️ Lookup Timing#

297ms

240ms

252ms

AAAA

271ms

TXT

692ms

CAA

270ms

HTTPS

274ms

TLSA

558ms

SOA

0ms

MTA-STS

343ms

DNSSEC

439ms

SRV

321ms

Total

8805ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 06:22:16	1232ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 19:44:43	2651ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-29 23:27:35	1288ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 00:09:55	1226ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 16:01:19	963ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-19 04:28:12 shown	8805ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-28 08:26:59	2824ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 08:17:21	5731ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 19:28:02	1199ms	2 NS 2 A 1 MX	🔓 Insecure