so.dk

📜 Historical scan 2026-10-16 16:04:16 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

so.dk is a .dk domain served by 2 nameservers (hank.ns.cloudflare.com, olga.ns.cloudflare.com). It was registered on 19 January 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.50.203 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by so-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 36ms

Nameserver	IP addresses	PTR	ASN / ISP
hank.ns.cloudflare.com	108.162.193.116 172.64.33.116 173.245.59.116 2606:4700:58::adf5:3b74 2803:f800:50::6ca2:c174 2a06:98c1:50::ac40:2174	hank.ns.cloudflare.com hank.ns.cloudflare.com hank.ns.cloudflare.com hank.ns.cloudflare.com hank.ns.cloudflare.com hank.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
olga.ns.cloudflare.com	108.162.192.137 172.64.32.137 173.245.58.137 2606:4700:50::adf5:3a89 2803:f800:50::6ca2:c089 2a06:98c1:50::ac40:2089	olga.ns.cloudflare.com olga.ns.cloudflare.com olga.ns.cloudflare.com olga.ns.cloudflare.com olga.ns.cloudflare.com olga.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 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.50.203	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.166.201	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	so-dk.mail.protection.outlook.com	2a01:111:f403:ca09::a 2a01:111:f403:ca21::8 2a01:111:f403:ca3c::a 2a01:111:f403:ca48::8 52.101.103.140 52.101.68.25 52.101.91.156 52.101.91.159	mail-am7pr02cu00202.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-maspr04cu00104.inbound.protection.outlook.com mail-matpr04cu00207.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 → 52.98.154.152
🔶 Autoconfig	172.67.166.201

🔷 AAAA Records (IPv6)#

2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:a6c9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:32cb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 36ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.50.203,172.67.166.201 ech=AEX+DQBB1AAgACDlQS8OPB3M2oOoCB9qtqz3pOAPwzYp9Kn+XAWO1uRicQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:a6c9,2606:4700:3035::6815:32cb

📝 TXT Records#

1 records 184ms

TXT Record
v=spf1 ip4:77.233.252.243 ip4:77.233.252.244 ip4:77.233.252.245 ip4:77.233.252.248 ip4:83.89.199.62 ip4:62.243.73.0/24 ip4:77.32.175.81 ip4:212.27.13.241 include:spf.protection.outlook.com include:spf.webcrm.com include:spf.sendinblue.com mx -all

✉️ SPF#

Policy	Record (so.dk)
-all (hard fail)	v=spf1 ip4:77.233.252.243 ip4:77.233.252.244 ip4:77.233.252.245 ip4:77.233.252.248 ip4:83.89.199.62 ip4:62.243.73.0/24 ip4:77.32.175.81 ip4:212.27.13.241 include:spf.protection.outlook.com include:spf.webcrm.com include:spf.sendinblue.com mx -all

📨 DMARC#

Policy	Record (_dmarc.so.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:2388421cee014eb6b32381aa65f6f2f3@dmarc-reports.cloudflare.net,mailto:dmarc@mailinblue.com!10m; ruf=mailto:dmarc@mailinblue.com!10m; rf=afrf; pct=100; ri=86400

📬 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 2026-10-22 04:37:39

www	104.21.50.203 172.67.166.201 2606:4700:3034::ac43:a6c9 2606:4700:3035::6815:32cb (AS13335) (address records, no CNAME)
www vs bare domain	Same network so.dk: 104.21.50.203 172.67.166.201 2606:4700:3034::ac43:a6c9 2606:4700:3035::6815:32cb (AS13335) www.so.dk: 104.21.50.203 172.67.166.201 2606:4700:3034::ac43:a6c9 2606:4700:3035::6815:32cb (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

78ms

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

🏷️ SOA#

43ms

Field	Value
Serial	2417643599
Primary NS (MNAME)	hank.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-22 05:08:01

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-01-19
Expires	2027-03-31 (159d)

🔗 Same registrant#

22 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
akademikernes-jobbank.dk	Punktum dk A/S (direct)
akademikernesjobbank.dk	Punktum dk A/S (direct)
cvbank.dk	Punktum dk A/S (direct)
go.dk	Punktum dk A/S (direct)
job2.dk	Punktum dk A/S (direct)
jobmessen.dk	Punktum dk A/S (direct)
karriere-vejviser.dk	Punktum dk A/S (direct)
karriere-vejviseren.dk	Punktum dk A/S (direct)
karrierenet.dk	Punktum dk A/S (direct)
legatbasen.dk	Punktum dk A/S (direct)
move-it.dk	Punktum dk A/S (direct)
move-on.dk	Punktum dk A/S (direct)
moveon.dk	Punktum dk A/S (direct)
nyuddannede.dk	Punktum dk A/S (direct)
praktik.dk	Punktum dk A/S (direct)
praktikplads.dk	Punktum dk A/S (direct)
sosu-assistent.dk	Punktum dk A/S (direct)
sosu-hjaelper.dk	Punktum dk A/S (direct)
sosu-jobs.dk	Punktum dk A/S (direct)
studentonline.dk	Punktum dk A/S (direct)
ungnet.dk	Punktum dk A/S (direct)
workworkwork.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

48ms

33ms

AAAA

42ms

TXT

184ms

CAA

34ms

HTTPS

36ms

TLSA

632ms

SOA

43ms

MTA-STS

45ms

DNSSEC

78ms

SRV

73ms

Total

1108ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 04:37:38	2761ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-16 16:04:16 shown	1108ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-11 09:50:34	2974ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-08 05:59:16	1927ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 01:00:35	957ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 15:21:31	1736ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 11:39:30	3180ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 13:04:17	1181ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-09 10:02:01	1197ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 12:22:32	1306ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-23 21:41:47	3311ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-18 17:23:49	5524ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-09 22:57:53	1915ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-06 15:33:20	2210ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-06 19:55:34	2074ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 12:20:43	4237ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 05:49:57	934ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 17:34:12	15023ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 17:21:48	927ms	2 NS 2 A 1 MX	🔓 Insecure