ion-sei.dk

📜 Historical scan 2026-06-21 08:42:02 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ion-sei.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 23 May 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.227.38.65 is hosted by Cloudflare, Inc. (AS13335) in Canada. Mail is handled by ionsei-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 56ms

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 114ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.65	3600s	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records#

1 records 111ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ionsei-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::8 2a01:111:f403:ca09::4 2a01:111:f403:ca09::9 52.101.68.12 52.101.73.153 52.101.73.28 52.101.73.4	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.98.16.6
🔶 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 100ms

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

📝 TXT Records#

3 records 247ms

TXT Record
facebook-domain-verification=he2uy6pwprt9bxol2oodiyhwi8yukd
MS=ms18754425
v=spf1 include:spf.protection.outlook.com include:_spf.smtp.com -all

✉️ SPF#

Policy	Record (ion-sei.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.smtp.com -all

📨 DMARC#

Policy	Record (_dmarc.ion-sei.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 13:22:02

www CNAME	shops.myshopify.com (all on myshopify.com) → 23.227.38.74 2620:127:f00f:e:: (AS13335)
www vs bare domain	Same network ion-sei.dk: 23.227.38.65 (AS13335) www.ion-sei.dk: 23.227.38.74 2620:127:f00f:e:: (AS13335)
Wildcard	Yes: any name under the zone resolves
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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

86ms

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

🏷️ SOA#

113ms

Field	Value
Serial	2025042300
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 2026-10-02 17:37:15

Field	Value
Registrar	Simply.com A/S
Registered	2024-05-23
Expires	2027-05-22 (206d)

📋 WHOIS#

⏱️ Lookup Timing#

56ms

114ms

111ms

AAAA

48ms

TXT

247ms

CAA

31ms

HTTPS

90ms

TLSA

796ms

SOA

113ms

MTA-STS

45ms

DNSSEC

86ms

SRV

100ms

Total

1406ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 17:10:52	1311ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-29 16:58:14	842ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-26 09:50:53	1164ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-12 15:24:03	811ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-27 01:09:03	2210ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-23 20:48:26	783ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-21 08:42:02 shown	1406ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-20 03:14:53	843ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 16:11:15	3679ms	3 NS 1 A 1 MX	🔒 Secure