juc.dk

📜 Historical scan 2026-08-31 08:39:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

juc.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 24 October 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.150.1.1 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by juc-dk.mail.protection.outlook.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#

4 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.eurodns.com	199.167.66.107 2610:1c8:b002::107	ns1.eurodns.com ns1.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns2.eurodns.com	104.37.178.107 2610:1c8:b001::107	ns2.eurodns.com ns2.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns3.eurodns.com	199.167.66.108 2610:1c8:b002::108	ns3.eurodns.com ns3.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns4.eurodns.com	104.37.178.108 2610:1c8:b001::108	ns4.eurodns.com ns4.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC

🌍 A Records#

1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.150.1.1	600s	—	AS16509	Amazon.com, Inc.	216.150.1.0/24	🇺🇸 United States	—

📧 MX Records#

1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	juc-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::a 2a01:111:f403:ca09::28 2a01:111:f403:ca48::a 52.101.103.140 52.101.68.18 52.101.73.6 52.101.73.8	mail-db7pr03cu00401.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.8

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

9 records 193ms

TXT Record
anthropic-domain-verification-714rym=eqJX66BBFZ3933zGZO1kBvMTA
apple-domain-verification=xrbHDwlPoINPlr6m
d365mktkey=2OmHoUBKkX1hFEnorEJW9J85I66LKAVnIw34iWyFcd8x
e89cfc42c94542cceca77e5fe23274be.txt
google-site-verification=JCyechHeAcohom19m_XwPkclEG7lkozEJsS1KO6qgJI
google-site-verification=Uz6gP2HQprxaCZ2Poi4f3ysvPZFtXm85pqi5pFzQ5FY
MS=ms82641166
v=spf1 ip4:152.115.172.145/25 ip4:46.4.70.212 ip4:194.150.113.0/25 include:servers.mcsv.net include:juc-dk.apsisone.com include:spf.mailjet.com include:emsd1.com include:_spf.emply.com include:spf.protection.outlook.com -all
ZOOM_verify_9kbPNUOlTgWyW7WNYOsXwQ

✉️ SPF#

Policy	Record (juc.dk)
-all (hard fail)	v=spf1 ip4:152.115.172.145/25 ip4:46.4.70.212 ip4:194.150.113.0/25 include:servers.mcsv.net include:juc-dk.apsisone.com include:spf.mailjet.com include:emsd1.com include:_spf.emply.com include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.juc.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:zrovcn5o@ag.eu.dmarcadvisor.com,mailto:re+ki6yijm9xkt@dmarc.postmarkapp.com;

📬 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 2026-10-08 13:16:07

www CNAME	9c396b96f24e75e4.vercel-dns-016.com (all on vercel-dns-016.com) → 216.150.1.1 216.150.16.1 (AS16509)
www vs bare domain	Same network juc.dk: 216.150.1.1 (AS16509) www.juc.dk: 216.150.1.1 216.150.16.1 (AS16509)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

5 found

Selector	CNAME	Key
k1	dkim.mcsv.net	RSA · ~1024 bit below 2048 bit
s1	s1.domainkey.u1998947.wl198.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u1998947.wl198.sendgrid.net	RSA · ~1024 bit below 2048 bit
selector1	selector1-juc-dk._domainkey.jucdk.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-juc-dk._domainkey.jucdk.onmicrosoft.com	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: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

109ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026070211
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-15 12:52:57

Field	Value
Registrar	Eurodns S.A
Registered	2000-10-24
Expires	2026-12-31 (67d)

🔗 Same registrant#

1 domain

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
ejuc.dk	Eurodns S.A

📋 WHOIS#

⏱️ Lookup Timing#

39ms

43ms

44ms

AAAA

31ms

TXT

193ms

CAA

29ms

HTTPS

31ms

TLSA

650ms

SOA

0ms

MTA-STS

65ms

DNSSEC

109ms

SRV

93ms

Total

2352ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 13:16:07	1183ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-07 13:06:26	4167ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-04 07:38:08	980ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 07:29:04	1533ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-25 20:05:40	9685ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-23 12:32:25	1555ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-19 12:57:21	1038ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-04 21:41:42	1339ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-31 08:39:04 shown	2352ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-27 16:19:19	1133ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-25 14:12:25	1300ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-14 11:27:48	5927ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-12 22:18:55	3356ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-06 04:49:40	1608ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-26 19:20:53	9327ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-25 18:50:32	1207ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-09 04:26:13	3809ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-07 16:01:51	4377ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-03 14:29:10	1093ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-21 10:52:11	1495ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-18 08:02:06	3167ms	4 NS 1 A 1 MX	🔒 Secure