largestructureproduction.dk DNS records

🖥️ Nameservers3 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.sdu.dk	130.225.155.136	ns1.sdu.dk	AS1835 IDDQD-AS
ns2.sdu.dk	130.225.155.148	ns2.sdu.dk	AS1835 IDDQD-AS
ns3.sdu.dk	193.163.227.4	ns3.sdu.dk	AS44328 Region Syddanmark

🌍 A Records1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
130.225.156.155	28800s	—	AS1835	IDDQD-AS	130.225.0.0/16	🇩🇰 Denmark	—

📧 MX Records1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	28800s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 127ms

TXT Record
v=spf1 include:_spf.sdu.dk -all

✉️ SPF

Policy	Record (largestructureproduction.dk)
-all (hard fail)	v=spf1 include:_spf.sdu.dk -all

📨 DMARC

Policy	Record (_dmarc.largestructureproduction.dk)
p=reject	v=DMARC1; p=reject; sp=reject;

📬 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 / DANE

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

🔐 DNSSEC107ms

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

🏷️ SOA0ms

Field	Value
Serial	411
Primary NS (MNAME)	ns1.sdu.dk
Responsible (RNAME)	dns@sdu.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	900s

📋 RegistrationWHOIS fetched 2026-06-25 23:53:42

Field	Value
Registrar	dns.services ApS
Registered	2025-02-21
Expires	2027-02-20 (171d)

📋 WHOIS

⏱️ Lookup Timing

NS

31ms

A

31ms

MX

31ms

AAAA

34ms

TXT

127ms

CAA

32ms

HTTPS

16029ms

TLSA

71ms

SOA

0ms

MTA-STS

36ms

DNSSEC

107ms

SRV

36ms

Total

16373ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 05:37:40	16373ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-29 04:29:57	16771ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 17:00:13	19043ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 19:52:53	2637ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 18:30:56	10928ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 15:04:25	6404ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 07:42:55	4690ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 23:40:22	4626ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 19:42:52	4482ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-03 02:27:00	4455ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-28 12:15:04	4496ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 08:37:43	2346ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 07:14:34	7497ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 12:26:33	2410ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 16:27:57	4461ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-13 09:39:06	18674ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 19:05:03	16734ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-06 20:35:00	8705ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 22:22:19	7172ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 16:10:38	4458ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 03:37:10	4503ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 15:54:24	4375ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 23:50:47	4484ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 17:36:43	4948ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 13:42:38	1078ms	0 NS 0 A 0 MX	❓ Unknown	View