nrdno.dk

📜 Historical scan 2026-09-03 22:00:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nrdno.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 24 November 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.184.109.93 is hosted by Norlys Telco A/S (AS3308) in Denmark. Mail is handled by nrdno-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 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 Records#

1 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 Records#

1 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 Records#

1 records 66ms

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

📝 TXT Records#

2 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 Records#

1 records 68ms

Flags	Tag	Value
0	issue	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 19:52:21

www CNAME	nrdno.dk (all on nrdno.dk) → 195.184.109.93 (AS3308)
www vs bare domain	Same network nrdno.dk: 195.184.109.93 (AS3308) www.nrdno.dk: 195.184.109.93 (AS3308)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔏 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)

🔐 DNSSEC#

82ms

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

🏷️ SOA#

0ms

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#

WHOIS fetched 2026-09-30 19:42:13

Field	Value
Registrar	Simply.com A/S
Registered	2012-11-24
Expires	2026-11-30 (40d)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

51ms

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
2026-09-30 19:09:50	4379ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-23 17:20:57	924ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-03 22:00:41 shown	742ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-02 05:42:27	9257ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-24 16:36:00	17232ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-22 21:20:38	2027ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:31:00	4820ms	3 NS 1 A 1 MX	🔒 Secure