dulo.dk

📜 Historical scan 2026-10-02 20:46:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dulo.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 6 January 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.227.38.65 is hosted by Cloudflare, Inc. (AS13335) in Canada. Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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#

3 records 139ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 115ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.65	3600s	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records#

1 records 117ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	142.251.127.26 142.251.127.27 2a00:1450:4001:c21::1a 2a00:1450:4001:c21::1b	lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	185.66.1.209
🔶 Autoconfig	185.66.1.209

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 326ms

TXT Record
google-site-verification=LpnOU0-j07CSTOSYYu0YciDyiffGQET25NCi_6-ov1s
google-site-verification=RFbZk06zhI1c9ltO-lfiZXLCj094n3wh3_NiiiV_N1o
klaviyo-site-verification=WjEtgr
v=spf1 include:_spf.google.com include:spf.simply.com -all

✉️ SPF#

Policy	Record (dulo.dk)
-all (hard fail)	v=spf1 include:_spf.google.com include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.dulo.dk)
p=reject	v=DMARC1; p=reject; sp=reject; fo=1:s

📬 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 2026-10-12 13:55:57

www CNAME	shops.myshopify.com (all on myshopify.com) → 23.227.38.74 2620:127:f00f:e:: (AS13335)
www vs bare domain	Same network dulo.dk: 23.227.38.65 (AS13335) www.dulo.dk: 23.227.38.74 2620:127:f00f:e:: (AS13335)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

262ms

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

🏷️ SOA#

82ms

Field	Value
Serial	2026100200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-02 21:13:48

Field	Value
Registrar	Simply.com A/S
Registered	2025-01-06
Expires	2027-01-05 (76d)

📋 WHOIS#

⏱️ Lookup Timing#

139ms

115ms

117ms

AAAA

101ms

TXT

326ms

CAA

111ms

HTTPS

107ms

TLSA

235ms

SOA

82ms

MTA-STS

159ms

DNSSEC

262ms

SRV

180ms

Total

1814ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 13:55:57	399ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-02 20:46:46 shown	1814ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 20:37:30	954ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-24 14:24:10	1409ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 05:30:45	10938ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 05:04:40	1675ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 05:02:01	532ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 05:00:36	716ms	3 NS 1 A 1 MX	🔒 Secure