gresco.dk

📜 Historical scan 2026-09-25 08:05:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gresco.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 24 August 2026 (WHOIS) and first appeared in the .dk zone on 25 August 2026. Its website address 185.20.205.68 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 32ms

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 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.20.205.68	3600s	linux392.unoeuro.com	AS48854	team.blue Denmark A/S	185.20.204.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	smtp.google.com	108.177.14.26 2a00:1450:4010:c02::1b 2a00:1450:4010:c02::1b 2a00:1450:4010:c0e::1a 2a00:1450:4010:c0e::1a 2a00:1450:4010:c0e::1b 2a00:1450:4010:c0e::1b 2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1a 74.125.131.26 74.125.131.27 74.125.205.26 74.125.205.27	lt-in-f26.1e100.net le-in-f27.1e100.net le-in-x1b.1e100.net lu-in-x1a.1e100.net lu-in-f26.1e100.net lu-in-f27.1e100.net lu-in-x1b.1e100.net lt-in-x1a.1e100.net lt-in-f26.1e100.net lu-in-f26.1e100.net lu-in-f27.1e100.net le-in-f26.1e100.net le-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	185.20.205.68
🔶 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 56ms

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

📝 TXT Records#

2 records 166ms

TXT Record
google-site-verification=RNtHekR8NTXvmBF9NB3L50zJHmodYhdS9lMDQCfem18
v=spf1 include:spf.simply.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.gresco.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 2026-10-13 13:14:22

www	185.20.205.68 (AS48854) (address records, no CNAME)
www vs bare domain	Same network gresco.dk: 185.20.205.68 (AS48854) www.gresco.dk: 185.20.205.68 (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#

72ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026082707
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 2026-10-04 20:13:07

Field	Value
Registrar	Simply.com A/S
Registered	2026-08-24
Expires	2027-08-23 (309d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

47ms

42ms

AAAA

43ms

TXT

166ms

CAA

41ms

HTTPS

46ms

TLSA

55ms

SOA

0ms

MTA-STS

56ms

DNSSEC

72ms

SRV

56ms

Total

618ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 19:27:43	2078ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 19:02:22	658ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-25 08:05:10 shown	618ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-18 23:30:45	756ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-27 18:09:15	695ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-27 13:05:11	531ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-25 08:45:06	743ms	3 NS 1 A 1 MX	🔒 Secure