tristad.dk

📜 Historical scan 2026-07-08 12:06:57 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tristad.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 4 January 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 75.2.60.5 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by tristad-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#

4 records 8087ms

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
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 8077ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
75.2.60.5	3600s	acd89244c803f7181.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	75.2.0.0/17	🇺🇸 United States	—

📧 MX Records#

1 records 8093ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tristad-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::9 2a01:111:f403:ca09::5 2a01:111:f403:ca09::8 52.101.68.10 52.101.68.12 52.101.68.16 52.101.68.8	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-du0pr03cu00100.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 → 40.104.62.232
🔶 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 8116ms

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

📝 TXT Records#

2 records 8266ms

TXT Record
google-site-verification=1jgaX2KdL-1IoX0rwTRpnmkcEyWC3t580kpFDkhIfhA
v=spf1 include:spf.protection.outlook.com include:_spf.tristad.skaevt2.dk -all

✉️ SPF#

Policy	Record (tristad.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.tristad.skaevt2.dk -all

📨 DMARC#

Policy	Record (_dmarc.tristad.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 2026-10-08 01:23:12

www	75.2.60.5 (AS16509) (address records, no CNAME)
www vs bare domain	Same network tristad.dk: 75.2.60.5 (AS16509) www.tristad.dk: 75.2.60.5 (AS16509)
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

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u18135554.wl055.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u18135554.wl055.sendgrid.net	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

error include:_spf.tristad.skaevt2.dk has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

8113ms

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

🏷️ SOA#

8088ms

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 2026-10-25 09:53:37

Field	Value
Registrar	Simply.com A/S
Registered	2022-01-04
Expires	2027-01-03 (69d)

🔗 Same registrant#

10 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
bwtorvehallerne.dk	Simply.com A/S
dansestudie.dk	Simply.com A/S
ejendomsselskabet2024.dk	Simply.com A/S
historiskepark.dk	Simply.com A/S
hvadskerivejle.dk	Simply.com A/S
kimpihl.dk	Simply.com A/S
laliving.dk	Simply.com A/S
linjen.dk	Simply.com A/S
oasia.dk	Simply.com A/S
skaevt2.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

8087ms

8077ms

8093ms

AAAA

8074ms

TXT

8266ms

CAA

8080ms

HTTPS

8067ms

TLSA

193ms

SOA

8088ms

MTA-STS

8123ms

DNSSEC

8113ms

SRV

8116ms

Total

33440ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 23:37:16	1267ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-29 23:15:30	1162ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-08 12:06:57 shown	33440ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-27 06:27:20	931ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-18 06:54:57	1061ms	4 NS 1 A 1 MX	🔒 Secure