err-as.dk

📜 Historical scan 2026-09-30 14:56:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

err-as.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 13 March 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.50.2.70 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by erras-dk0i.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 33ms

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 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.50.2.70	3600s	—	AS8075	Microsoft Corporation	20.48.0.0/12	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	erras-dk0i.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca09::26 2a01:111:f403:ca48::12 2a01:111:f403:ca48::a 52.101.185.21 52.101.73.120 52.101.91.153 52.101.91.156	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-am7pr02cu00300.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com mail-maspr04cu00104.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 138ms

TXT Record
MS=ms30740482
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.err-as.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:mel@err-as.dk;ruf=mailto:mel@err-as.dk; fo=1

📬 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 07:46:13

www CNAME	app-hjh360-prod-01.azurewebsites.net (all on azurewebsites.net) → 20.50.2.70 (AS8075)
www vs bare domain	Same network err-as.dk: 20.50.2.70 (AS8075) www.err-as.dk: 20.50.2.70 (AS8075)
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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

54ms

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

🏷️ SOA#

44ms

Field	Value
Serial	2023083101
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 2026-10-13 08:03:09

Field	Value
Registrar	Simply.com A/S
Registered	2023-03-13
Expires	2027-03-12 (142d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
fiskeriretur.dk	Simply.com A/S
retur.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

33ms

32ms

35ms

AAAA

26ms

TXT

138ms

CAA

33ms

HTTPS

34ms

TLSA

363ms

SOA

44ms

MTA-STS

43ms

DNSSEC

54ms

SRV

50ms

Total

855ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 07:46:13	3821ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-02 15:09:21	1320ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 14:56:48 shown	855ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-21 11:30:38	656ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 08:15:25	2813ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 08:15:16	1218ms	3 NS 1 A 1 MX	🔒 Secure