saerbyg.dk DNS records

🖥️ Nameservers3 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.40.29.39	3600s	dedi3039.your-server.de	AS24940	Hetzner Online GmbH	188.40.0.0/16	🇩🇪 Germany	Nuremberg

📧 MX Records1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	saerbyg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::2 2a01:111:f403:ca09::26 2a01:111:f403:ca09::3 52.101.68.18 52.101.68.21 52.101.73.145 52.101.73.8	mail-du2pr03cu00102.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am6pr02cu00301.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 → 40.104.116.24

🔷 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 189ms

TXT Record
MS=ms34726606
v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all

✉️ SPF

Policy	Record (saerbyg.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all

📨 DMARC

Policy	Record (_dmarc.saerbyg.dk)
p=quarantine	v=DMARC1; p=quarantine;

📬 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)

🔐 DNSSEC123ms

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

🏷️ SOA0ms

Field	Value
Serial	2024053002
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

51ms

A

53ms

MX

54ms

AAAA

69ms

TXT

189ms

CAA

85ms

HTTPS

39ms

TLSA

610ms

SOA

0ms

MTA-STS

88ms

DNSSEC

123ms

SRV

93ms

Total

1269ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 05:10:56	1269ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 12:04:03	2619ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 07:58:22	1176ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 05:34:56	1005ms	3 NS 1 A 1 MX	⚠️ Bogus	View