hcandersen.dk DNS records

🖥️ Nameservers3 records 113ms

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 124ms

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 119ms

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 337ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (hcandersen.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.hcandersen.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:655b353a1f136@dmarc.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 / DANE

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

🔐 DNSSEC295ms

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

🏷️ SOA0ms

Field	Value
Serial	1848
Primary NS (MNAME)	ns1.sdu.dk
Responsible (RNAME)	dns@sdu.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	900s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

113ms

A

124ms

MX

119ms

AAAA

78ms

TXT

337ms

CAA

152ms

HTTPS

16055ms

TLSA

115ms

SOA

0ms

MTA-STS

157ms

DNSSEC

295ms

SRV

177ms

Total

16691ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 15:56:54	16691ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-29 03:50:33	16777ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 18:06:35	16650ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 13:06:37	4514ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 03:49:10	5549ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-16 17:34:43	8414ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 01:49:35	5606ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 04:27:53	6807ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-04 01:06:03	4566ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 03:55:25	8610ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 02:29:53	16401ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 01:40:11	9459ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 18:07:00	4461ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 18:09:24	2454ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-13 01:56:50	2501ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 18:44:10	2623ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-06 21:06:53	3689ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 11:21:44	4456ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 10:29:53	4449ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 19:03:04	10184ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 18:25:55	908ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 11:27:14	933ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 11:06:43	708ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-06-17 11:04:54	2563ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-06-17 11:03:48	4427ms	3 NS 1 A 0 MX	🔒 Secure	View