layer5.dk DNS records

🖥️ Nameservers3 records 44ms

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 81ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
157.250.162.170	3600s	—	AS3342	Cibicom A/S	157.250.160.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 65ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	layer5-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::1 2a01:111:f403:ca04::4 2a01:111:f403:ca09::8 52.101.68.32 52.101.73.19 52.101.73.24 52.101.73.8	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-as8pr05cu00300.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

📝 TXT Records2 records 267ms

TXT Record
MS=ms27679377
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (layer5.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC84ms

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

🏷️ SOA49ms

Field	Value
Serial	2025030100
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

44ms

A

81ms

MX

65ms

AAAA

46ms

TXT

267ms

CAA

53ms

HTTPS

64ms

TLSA

121ms

SOA

49ms

MTA-STS

91ms

DNSSEC

84ms

SRV

102ms

Total

881ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-25 04:32:26	881ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 06:21:05	1045ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 13:51:44	2599ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 15:32:57	684ms	3 NS 1 A 1 MX	🔒 Secure	View