erikandersen.dk DNS records

🖥️ Nameservers3 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.c-system.dk	49.12.60.90	ns1.c-system.dk	AS24940 Hetzner Online GmbH
ns2.c-system.dk	49.12.60.94	ns2.c-system.dk	AS24940 Hetzner Online GmbH
ns3.c-system.dk	130.162.220.97	—	AS31898 Oracle Corporation

🌍 A Records1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.12.60.83	38400s	web01.c-system.dk	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	—

📧 MX Records1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	erikandersen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::c 2a01:111:f403:ca09::6 2a01:111:f403:ca48::a 52.101.68.0 52.101.68.21 52.101.73.15 52.101.73.24	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am9pr04cu00107.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 93ms

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

📝 TXT Records2 records 254ms

TXT Record
MS=ms12620457
v=spf1 a mx a:web01.c-system.dk ip4:93.161.90.182 ip4:49.12.60.83 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (erikandersen.dk)
-all (hard fail)	v=spf1 a mx a:web01.c-system.dk ip4:93.161.90.182 ip4:49.12.60.83 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.erikandersen.dk)
p=none (monitor only)	v=DMARC1; p=none; fo=1

📬 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)

🔐 DNSSEC119ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2018100922
Primary NS (MNAME)	ns1.c-system.dk
Responsible (RNAME)	admin@c-system.dk
Refresh	10800s
Retry	3600s
Expire	1309600s
Minimum (neg-cache TTL)	38400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

40ms

A

46ms

MX

46ms

AAAA

41ms

TXT

254ms

CAA

36ms

HTTPS

40ms

TLSA

761ms

SOA

0ms

MTA-STS

77ms

DNSSEC

119ms

SRV

93ms

Total

1936ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 19:06:15	1936ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 18:48:25	3304ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 22:00:14	3003ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 05:52:31	721ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 16:00:08	1093ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 13:12:44	5232ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 08:10:34	653ms	3 NS 1 A 1 MX	🔓 Insecure	View