chicago.dk

📜 Historical scan 2026-06-16 20:39:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

chicago.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 13 May 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.13 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.simply.com. The zone is DNSSEC-signed but currently fails validation, 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 180ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	—	—	—
ns2.simply.com	—	—	—
ns3.simply.com	—	—	—
ns4.simply.com	—	—	—

🌍 A Records#

1 records 165ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.13	—	nt30.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 132ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 291ms

TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.chicago.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 2026-10-09 19:53:00

www	93.191.156.13 (AS48854) (address records, no CNAME)
www vs bare domain	Same network chicago.dk: 93.191.156.13 (AS48854) www.chicago.dk: 93.191.156.13 (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#

2 records 157ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

287ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	broken trust chain resolving 'chicago.dk/A/IN': 127.0.0.1#53

🏷️ SOA#

145ms

Field	Value
Serial	2026022400
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 11:07:10

Field	Value
Registrar	Simply.com A/S
Registered	1998-05-13
Expires	2027-06-30 (255d)

📋 WHOIS#

⏱️ Lookup Timing#

180ms

165ms

132ms

AAAA

136ms

TXT

291ms

CAA

148ms

HTTPS

147ms

TLSA

157ms

SOA

145ms

MTA-STS

177ms

DNSSEC

287ms

SRV

0ms

Total

1494ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 14:12:28	694ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-30 14:08:22	637ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-29 19:47:15	609ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-20 19:10:54	639ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-19 20:57:46	601ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:39:45 shown	1494ms	4 NS 1 A 1 MX	⚠️ Bogus
2026-06-16 20:39:39	31539ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:31:07	499ms	4 NS 1 A 1 MX	🔒 Secure