sylvester-rental.dk DNS records

🖥️ Nameservers4 records 42ms

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
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.20.205.56	3600s	linux380.unoeuro.com	AS48854	team.blue Denmark A/S	185.20.204.0/22	🇩🇰 Denmark	—

📧 MX Records2 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sylvesterrental-dk02c.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::8 2a01:111:f403:ca09::28 2a01:111:f403:ca48::c 52.101.103.143 52.101.68.25 52.101.73.123 52.101.73.155	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am7pr02cu00203.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
10	3600s	xxxxx.mail.eo.outlook.com	2a01:111:f403:c922::2 2a01:111:f403:c92c::3 2a01:111:f403:f803:: 2a01:111:f403:f90d:: 52.101.11.15 52.101.60.160 52.101.8.42 52.101.9.24	mail-bl0pr02cu00702.inbound.protection.outlook.com mail-dm5pr04cu00103.inbound.protection.outlook.com mail-byapr02cu00300.inbound.protection.outlook.com mail-sn1pr0501cu00200.inbound.protection.outlook.com mail-sa9pr02cu00207.inbound.protection.outlook.com mail-bn0pr04cu00800.inbound.protection.outlook.com mail-dm6pr03cu00402.inbound.protection.outlook.com mail-bl2pr02cu00400.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 → 52.98.154.136
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 54ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 129ms

TXT Record
MS=ms77024159
v=spf1 include:outlook.com include:spf.simply.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.sylvester-rental.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.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)

🔐 DNSSEC85ms

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

🏷️ SOA0ms

Field	Value
Serial	2025042300
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

42ms

A

29ms

MX

30ms

AAAA

39ms

TXT

129ms

CAA

53ms

HTTPS

40ms

TLSA

185ms

SOA

0ms

MTA-STS

58ms

DNSSEC

85ms

SRV

54ms

Total

834ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 08:21:34	834ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-18 06:35:16	5275ms	4 NS 1 A 2 MX	🔒 Secure	View