ducor.dk

📜 Historical scan 2026-08-14 12:55:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ducor.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 19 September 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 198.202.211.1 is hosted by Cloudflare London, LLC (AS209242) in United States. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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#

4 records 333ms

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
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 313ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.202.211.1	300s	—	AS209242	Cloudflare London, LLC	198.202.211.0/24	🇺🇸 United States	—

📧 MX Records#

5 records 318ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.251.127.27 2a00:1450:400c:c04::1a 2a00:1450:400c:c04::1a	lcfrai-in-f27.1e100.net wk-in-f26.1e100.net wk-in-x1a.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c01::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.152.27 2a00:1450:4010:c22::1a	yulpptr-in-f27.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1a	lcbomp-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 671ms

TXT Record
klaviyo-site-verification=WShNmr
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (ducor.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.ducor.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc-reports@ducor.dk; ruf=mailto:dmarc-reports@ducor.dk; fo=1;

📬 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 2026-10-13 05:58:56

www CNAME	cdn.webflow.com (all on webflow.com) → 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242)
www vs bare domain	Same network ducor.dk: 198.202.211.1 (AS209242) www.ducor.dk: 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242)
Wildcard	No
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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

539ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026081300
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 2026-10-11 22:46:41

Field	Value
Registrar	Simply.com A/S
Registered	2020-09-19
Expires	2027-09-30 (341d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

333ms

313ms

318ms

AAAA

313ms

TXT

671ms

CAA

285ms

HTTPS

297ms

TLSA

690ms

SOA

0ms

MTA-STS

414ms

DNSSEC

539ms

SRV

307ms

Total

4996ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 05:58:56	1217ms	4 NS 1 A 5 MX	🔒 Secure
2026-10-01 20:44:35	1148ms	4 NS 1 A 5 MX	🔒 Secure
2026-09-24 19:38:04	1636ms	4 NS 1 A 5 MX	🔒 Secure
2026-09-02 12:54:16	2488ms	4 NS 1 A 5 MX	🔒 Secure
2026-08-28 10:03:19	2040ms	4 NS 1 A 5 MX	🔒 Secure
2026-08-26 15:10:15	4481ms	4 NS 1 A 5 MX	🔒 Secure
2026-08-16 02:13:38	1918ms	4 NS 1 A 5 MX	🔒 Secure
2026-08-14 12:55:26 shown	4996ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-26 02:08:13	1305ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-23 15:34:38	971ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 03:22:25	1182ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 04:55:45	723ms	4 NS 1 A 5 MX	🔒 Secure