aprendo.dk

📜 Historical scan 2026-07-01 03:12:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aprendo.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 22 November 2020 (WHOIS) and 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#

4 records 35ms

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#

4 records 42ms

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 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	209.85.233.26 2a00:1450:4010:c06::1b 2a00:1450:4010:c06::1b	lr-in-f26.1e100.net lj-in-f27.1e100.net lj-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.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	alt3.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
10	3600s	alt4.aspmx.l.google.com	192.178.230.26 2404:6800:400b:c01b::1a	yunrtab-in-f26.1e100.net yunrtab-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#

3 records 119ms

TXT Record
google-site-verification=dkvouMFnke0mQOKecCSBvCV5eRfjWFQsd7owl70fxYg
google-site-verification=f81Bx5amae5f4X886-yvlUgWrZrQ0LfbddX_oeNVlF4
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (aprendo.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.aprendo.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-12 21:01:52

www CNAME	pure-squirrel-2lw4wurry6gytbqb57t9zxh6.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 aprendo.dk: 15.197.129.158 75.2.43.161 76.223.11.49 99.83.217.1 (AS16509) www.aprendo.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.

🔎 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#

53ms

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

🏷️ SOA#

27ms

Field	Value
Serial	2026021900
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 2026-10-16 09:47:03

Field	Value
Registrar	Simply.com A/S
Registered	2020-11-22
Expires	2026-11-30 (44d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

35ms

42ms

30ms

AAAA

27ms

TXT

119ms

CAA

30ms

HTTPS

29ms

TLSA

158ms

SOA

27ms

MTA-STS

32ms

DNSSEC

53ms

SRV

38ms

Total

860ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 21:01:52	619ms	4 NS 4 A 5 MX	🔒 Secure
2026-10-02 06:08:53	766ms	4 NS 4 A 5 MX	🔒 Secure
2026-09-28 05:16:19	684ms	4 NS 4 A 5 MX	🔒 Secure
2026-09-02 14:54:20	865ms	4 NS 4 A 5 MX	🔒 Secure
2026-07-01 03:12:51 shown	860ms	4 NS 4 A 5 MX	🔒 Secure
2026-06-26 12:22:19	1154ms	4 NS 4 A 5 MX	🔒 Secure
2026-06-20 17:37:16	1838ms	4 NS 4 A 5 MX	🔒 Secure
2026-06-16 13:37:29	726ms	4 NS 4 A 5 MX	🔒 Secure