4ss.dk DNS records

🖥️ Nameservers4 records 77ms

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 71ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.32	3600s	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records1 records 77ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	4ss-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::b 2a01:111:f403:ca04::f 2a01:111:f403:ca09::d 52.101.68.0 52.101.68.21 52.101.68.39 52.101.73.2	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.104.62.200

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 97ms

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

📝 TXT Records6 records 167ms

TXT Record
facebook-domain-verification=133bjwlau16vmlouj4msn3fdnmlt4h
MS=ms49538396
v=spf1 include:_spf.google.com include:customer-spf.webshipper.com -all
v=spf1 include:shops.shopify.com ~all
v=spf1 include:spf.protection.outlook.com -all
v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (4ss.dk)
-all (hard fail)	v=spf1 include:_spf.google.com include:customer-spf.webshipper.com -all
~all (soft fail)	v=spf1 include:shops.shopify.com ~all
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.simply.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)

🔐 DNSSEC153ms

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

🏷️ SOA41ms

Field	Value
Serial	2020072990
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

77ms

A

71ms

MX

77ms

AAAA

65ms

TXT

167ms

CAA

84ms

HTTPS

72ms

TLSA

235ms

SOA

41ms

MTA-STS

98ms

DNSSEC

153ms

SRV

97ms

Total

2872ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-04 22:21:27	2872ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 07:35:36	1796ms	4 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-16 12:36:46	1555ms	4 NS 1 A 1 MX	🔒 Secure	View