j-u.dk DNS records

🖥️ Nameservers2 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.nrd.dk	208.94.148.4	ns10.dnsmadeeasy.com	AS16552 Tiggee LLC
ns2.nrd.dk	208.80.124.4	ns11.dnsmadeeasy.com	AS16552 Tiggee LLC

🌍 A Records1 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.8.38.8	7200s	—	AS48854	team.blue Denmark A/S	193.8.38.0/24	🇩🇰 Denmark	—

📧 MX Records1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	360s	ju-dk0c.u-v1.mx.microsoft	2a01:111:f403:c967::8 2a01:111:f403:ca04::1 2a01:111:f403:ca09::2 2a01:111:f403:ca09::6 52.101.103.137 52.101.68.8 52.101.73.153 52.101.73.24	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db7pr03cu00401.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 75ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records5 records 214ms

TXT Record
_globalsign-domain-verification=Bvdi34n6Oa06lB8rHCO3ZdFYTuFUFmeYxk8vmYrc8a
_globalsign-domain-verification=XKSlTk-wlcCOqooYW8HUxVG2idEvjtp0uQRBuvi0Ga
IiHY/JPy1sjDeUFGpewetwC7FZ2t4XV2V5c57mhfo2QTcGF5ELVk+/2//tB6kAAKYP8349EMqvtieWSxSMdrkw==
MS=ms95644558
v=spf1 include:_spf51240.spfprotect.com -all

✉️ SPF

Policy	Record (j-u.dk)
-all (hard fail)	v=spf1 include:_spf51240.spfprotect.com -all

📨 DMARC

Policy	Record (_dmarc.j-u.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:661d22e5cdab5@dmarc-dk.centerasecurity.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

🔗 TLSA / DANE4 records 86ms

Service / Owner	Type	Cert association
SMTP _25._tcp.ju-dk0c.u-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.ju-dk0c.u-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.ju-dk0c.u-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.ju-dk0c.u-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…

🔐 DNSSEC105ms

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

🏷️ SOA0ms

Field	Value
Serial	2009010406
Primary NS (MNAME)	ns10.dnsmadeeasy.com
Responsible (RNAME)	dns@dnsmadeeasy.com
Refresh	43200s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	180s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

42ms

A

37ms

MX

42ms

AAAA

39ms

TXT

214ms

CAA

41ms

HTTPS

35ms

TLSA

86ms

SOA

0ms

MTA-STS

62ms

DNSSEC

105ms

SRV

75ms

Total

1131ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 02:30:33	1131ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 07:33:10	1504ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 19:00:40	4866ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 10:32:19	1143ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 21:39:00	9202ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 21:31:31	3213ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 01:34:40	1429ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-31 21:17:33	1234ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 08:35:52	24900ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 06:38:40	2952ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 03:15:02	1304ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 01:04:45	10176ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 19:28:14	1385ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 15:26:11	1058ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 17:52:13	817ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 03:53:34	4114ms	2 NS 1 A 1 MX	🔒 Secure	View