schultzdevelopment.dk

📜 Historical scan 2026-06-25 23:04:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

schultzdevelopment.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 22 March 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.216 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by smtp.google.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 215ms

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 241ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.216	3600s	linux314.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 144ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	142.251.127.26 142.251.127.27 2a00:1450:4001:c21::1a 2a00:1450:4001:c21::1b	lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	93.191.156.216
🔶 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 422ms

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

📝 TXT Records#

2 records 635ms

TXT Record
google-site-verification=i2YdLyizEXvnV6wABNM4oVqaSsJJrDZVC6Vs7l_b5mc
v=spf1 include:spf.simply.com -all

✉️ SPF#

Policy	Record (schultzdevelopment.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.schultzdevelopment.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 2026-10-15 01:38:59

www	93.191.156.216 (AS48854) (address records, no CNAME)
www vs bare domain	Same network schultzdevelopment.dk: 93.191.156.216 (AS48854) www.schultzdevelopment.dk: 93.191.156.216 (AS48854)
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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

450ms

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

🏷️ SOA#

232ms

Field	Value
Serial	2026052002
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 2026-10-10 16:02:21

Field	Value
Registrar	Simply.com A/S
Registered	2020-03-22
Expires	2027-03-31 (164d)

📋 WHOIS#

⏱️ Lookup Timing#

215ms

241ms

144ms

AAAA

150ms

TXT

635ms

CAA

231ms

HTTPS

195ms

TLSA

181ms

SOA

232ms

MTA-STS

250ms

DNSSEC

450ms

SRV

422ms

Total

1935ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 21:42:01	1819ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-04 03:38:52	540ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-25 23:04:37 shown	1935ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 23:07:19	2731ms	3 NS 1 A 1 MX	🔒 Secure