dcongress.dk

📜 Historical scan 2026-06-17 01:20:57 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dcongress.dk is a .dk domain served by 2 nameservers (ns1.loopiagroup.com, ns2.loopiagroup.com). It was registered on 11 February 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 109.235.174.20 is hosted by Loopia AB (AS41528) in Sweden. Mail is handled by mx10.websupport.se, mx20.websupport.se. The zone is DNSSEC-signed and validates, 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 271ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.loopiagroup.com	—	—	—
ns2.loopiagroup.com	—	—	—

🌍 A Records#

1 records 188ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
109.235.174.20	—	ing.r103.websupport.se	AS41528	Loopia AB	109.235.174.0/23	🇸🇪 Sweden	—

📧 MX Records#

2 records 267ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx10.websupport.se	109.235.175.125	m101-u6-mx.websupport.se	AS41528 Loopia AB
100	—	mx20.websupport.se	109.235.175.126	m101-u7-mx.websupport.se	AS41528 Loopia AB

🔷 AAAA Records (IPv6)#

1 records 275ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:1968:0:1:109:235:174:18	—	—	AS41528	Loopia AB	2a00:1968:0:0:0:0:0:0/48	🇸🇪 Sweden	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 628ms

TXT Record
spf2.0/pra a mx include:_sid.m1.websupport.sk include:_sid.m101.websupport.se ?all
v=spf1 a mx include:_spf.m1.websupport.sk include:_spf.m101.websupport.se ?all

✉️ SPF#

Policy	Record (dcongress.dk)
?all (neutral)	v=spf1 a mx include:_spf.m1.websupport.sk include:_spf.m101.websupport.se ?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 2026-10-20 04:53:50

www	109.235.174.20 2a00:1968:0:1:109:235:174:18 (AS41528) (address records, no CNAME)
www vs bare domain	Same network dcongress.dk: 109.235.174.20 2a00:1968:0:1:109:235:174:18 (AS41528) www.dcongress.dk: 109.235.174.20 2a00:1968:0:1:109:235:174:18 (AS41528)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 0 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
mail	—	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: 5/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

6 records 111ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx10.websupport.se	DANE-TA · SPKI · SHA-256	C784333D20BCD742B9FDC3236F4E509B…
SMTP _25._tcp.mx10.websupport.se	DANE-TA · SPKI · SHA-256	6BD9212CE649C659C9CABC6CB60FCFFA…
SMTP _25._tcp.mx10.websupport.se	DANE-TA · SPKI · SHA-256	0E8BB18BBEEFB381BE21BFC1A206D317…
SMTP _25._tcp.mx20.websupport.se	DANE-TA · SPKI · SHA-256	0E8BB18BBEEFB381BE21BFC1A206D317…
SMTP _25._tcp.mx20.websupport.se	DANE-TA · SPKI · SHA-256	6BD9212CE649C659C9CABC6CB60FCFFA…
SMTP _25._tcp.mx20.websupport.se	DANE-TA · SPKI · SHA-256	C784333D20BCD742B9FDC3236F4E509B…

🔐 DNSSEC#

298ms

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

🏷️ SOA#

260ms

Field	Value
Serial	1776845439
Primary NS (MNAME)	ns1.loopiagroup.com
Responsible (RNAME)	dnsadmin@loopiagroup.com
Refresh	7200s
Retry	2048s
Expire	1048576s
Minimum (neg-cache TTL)	2560s

📋 Registration#

WHOIS fetched 2026-10-12 18:29:52

Field	Value
Registrar	ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA
Registered	2014-02-11
Expires	2027-02-28 (128d)

🔗 Same registrant#

3 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
d-congress.dk	ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA
dkongress.dk	ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA
svenskhandel.dk	Perfect Sense AB

📋 WHOIS#

⏱️ Lookup Timing#

271ms

188ms

267ms

AAAA

275ms

TXT

628ms

CAA

257ms

HTTPS

186ms

TLSA

111ms

SOA

260ms

MTA-STS

78ms

DNSSEC

298ms

SRV

0ms

Total

1176ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-20 04:53:50	6894ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-19 04:29:29	2068ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-18 03:32:38	1626ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-17 02:52:27	1966ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-12 22:44:56	4079ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-23 13:10:24	1200ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-20 07:19:26	1838ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-15 21:07:47	3442ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-25 07:54:24	2777ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-24 17:13:24	1543ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-20 11:27:15	1529ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-14 09:44:26	6646ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-30 02:58:34	12928ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-18 16:53:11	1052ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-03 17:34:13	2332ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-01 20:01:09	1954ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-21 11:58:55	1937ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 01:24:35	571ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 01:20:57 shown	1176ms	2 NS 1 A 2 MX	🔒 Secure