fellow.dk DNS records

🖥️ Nameservers3 records 55ms

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 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.202.211.1	300s	—	AS209242	Cloudflare London, LLC	198.202.211.0/24	🇺🇸 United States	—

📧 MX Records1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fellow-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09::4 2a01:111:f403:ca09::9 2a01:111:f403:ca48::a 52.101.68.21 52.101.68.8 52.101.73.12 52.101.73.126	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am8pr83cu00106.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
🔶 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 Records1 records 107ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records2 records 188ms

TXT Record
1password-site-verification=IOHQRG2SHFGK5GKT6AFMKCYGJU
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.fellow.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)

🔐 DNSSEC103ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080601
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

55ms

A

51ms

MX

40ms

AAAA

50ms

TXT

188ms

CAA

42ms

HTTPS

64ms

TLSA

1867ms

SOA

0ms

MTA-STS

81ms

DNSSEC

103ms

SRV

107ms

Total

2597ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 00:35:01	2597ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 17:41:46	1713ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 17:08:16	9840ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 04:33:03	2803ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 22:19:39	1426ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 15:09:51	1166ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 20:55:14	1610ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 09:45:34	1372ms	3 NS 1 A 1 MX	🔒 Secure	View