contexto.dk

📜 Historical scan 2026-08-06 15:50:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

contexto.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 15.197.129.158 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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 40ms

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#

4 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
15.197.129.158	3600s	af491e6da0f81e8e8.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	15.196.0.0/14	🇺🇸 United States	—
75.2.43.161	3600s	aaca61c1cde711eac.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	75.2.0.0/17	🇺🇸 United States	—
76.223.11.49	3600s	aaca61c1cde711eac.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	76.223.0.0/17	🇺🇸 United States	—
99.83.217.1	3600s	af491e6da0f81e8e8.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	99.83.128.0/17	🇺🇸 United States	—

📧 MX Records#

5 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	173.194.220.27 2a00:1450:4010:c01::1b 2a00:1450:4010:c01::1b	lk-in-f27.1e100.net lh-in-x1b.1e100.net lh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 144ms

TXT Record
google-site-verification=VH2o38EkuUScuq-MeHeMnE8_0ZtSiabWY4_BH1mhkD8

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.contexto.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:jesper@contexto.dk

📬 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 08:53:24

www CNAME	darwinian-muskmelon-asnhs0yogd1e3qao1qpk57t7.herokudns.com (all on herokudns.com) → 15.197.129.158 75.2.43.161 76.223.11.49 99.83.217.1 (AS16509)
www vs bare domain	Same network contexto.dk: 15.197.129.158 75.2.43.161 76.223.11.49 99.83.217.1 (AS16509) www.contexto.dk: 15.197.129.158 75.2.43.161 76.223.11.49 99.83.217.1 (AS16509)
Wildcard	No
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.u52839603.wl104.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u52839603.wl104.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.

🔗 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#

0ms

Field	Value
Serial	2026080405
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

40ms

46ms

43ms

AAAA

44ms

TXT

144ms

CAA

59ms

HTTPS

50ms

TLSA

278ms

SOA

0ms

MTA-STS

55ms

DNSSEC

86ms

SRV

57ms

Total

1526ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 08:53:24	571ms	3 NS 4 A 5 MX	🔒 Secure
2026-10-08 04:59:13	641ms	3 NS 4 A 5 MX	🔒 Secure
2026-10-03 16:45:30	1124ms	3 NS 4 A 5 MX	🔒 Secure
2026-09-24 15:29:29	664ms	3 NS 4 A 5 MX	🔒 Secure
2026-08-26 03:22:26	981ms	3 NS 4 A 5 MX	🔒 Secure
2026-08-06 15:50:48 shown	1526ms	3 NS 4 A 5 MX	🔒 Secure
2026-06-16 22:10:19	903ms	3 NS 4 A 5 MX	🔒 Secure