smartoptimize.dk

📜 Historical scan 2026-06-28 08:26:59 · ← 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 234ms

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 211ms

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 213ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	smartoptimize-dk.mail.protection.outlook.com	2a01:111:f403:ca09::2 2a01:111:f403:ca09::6 2a01:111:f403:ca09::8 2a01:111:f403:ca09::b 52.101.68.10 52.101.68.18 52.101.68.8 52.101.73.153	mail-am0pr83cu00402.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as8pr05cu00401.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 207ms

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 187ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.23.8,172.67.208.66 ech=AEX+DQBBmgAgACCaXK4BhWa3zUcyGqqSVNz3YkY9+6Rx8neez6OiyX6VHgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:1708,2606:4700:3037::ac43:d042

🔌 SRV Records#

1 records 245ms

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

📝 TXT Records#

4 records 517ms

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#

301ms

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

🏷️ SOA#

192ms

Field	Value
Serial	2407376817
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 (95d)

📋 WHOIS#

⏱️ Lookup Timing#

234ms

211ms

213ms

AAAA

207ms

TXT

517ms

CAA

189ms

HTTPS

187ms

TLSA

996ms

SOA

192ms

MTA-STS

239ms

DNSSEC

301ms

SRV

245ms

Total

2824ms

🕐 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	8805ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-28 08:26:59 shown	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