nrdno.dk DNS records

🖥️ Nameservers3 records 34ms

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
195.184.109.93	3600s	—	AS3308	Norlys Telco A/S	195.184.96.0/19	🇩🇰 Denmark	Rødovre Municipality

📧 MX Records1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	nrdno-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::9 2a01:111:f403:ca21::8 2a01:111:f403:ca48::c 52.101.68.0 52.101.68.12 52.101.68.18 52.101.73.155	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00302.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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56
🔶 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 66ms

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

📝 TXT Records2 records 171ms

TXT Record
google-site-verification=29_Z8delbYsuOGPRrtavUyQ57IUqXtM4d-TI09TiHMU
v=spf1 ip4:195.184.109.93 ip4:195.184.109.100 ip4:93.191.156.209 include:spf.protection.outlook.com include:spf.simply.com -all

✉️ SPF

Policy	Record (nrdno.dk)
-all (hard fail)	v=spf1 ip4:195.184.109.93 ip4:195.184.109.100 ip4:93.191.156.209 include:spf.protection.outlook.com include:spf.simply.com -all

📨 DMARC

Policy	Record (_dmarc.nrdno.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 Records1 records 68ms

Flags	Tag	Value
0	issue	letsencrypt.org

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.nrdno.dk	d4txs9In7Da8EI6Yk3D6C-fqSm1VtkRJhvK1KW_guFc
TXT	_acme-challenge.nrdno.dk	h9y2usdJ27WzA1wMUgSIQDKXmvBVkDcFhQ5k5tigykQ

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC82ms

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

🏷️ SOA0ms

Field	Value
Serial	2026073003
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

34ms

A

51ms

MX

38ms

AAAA

35ms

TXT

171ms

CAA

68ms

HTTPS

51ms

TLSA

175ms

SOA

0ms

MTA-STS

61ms

DNSSEC

82ms

SRV

66ms

Total

742ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 22:00:41	742ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-02 05:42:27	9257ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 16:36:00	17232ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 21:20:38	2027ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:31:00	4820ms	3 NS 1 A 1 MX	🔒 Secure	View