chrschmidt.dk

📜 Historical scan 2026-10-01 02:37:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

chrschmidt.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 27 November 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.212.157.138 is hosted by Amazon.com, Inc. (AS16509) in Ireland. 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 30ms

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#

1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.212.157.138	600s	ec2-52-212-157-138.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	52.208.0.0/13	🇮🇪 Ireland	Dublin

📧 MX Records#

5 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:4010:c06::1b 2a00:1450:4010:c06::1b 64.233.161.27	lj-in-x1b.1e100.net lj-in-f27.1e100.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::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.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::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	64.227.125.58
🔶 Autoconfig	64.227.125.58

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 125ms

TXT Record
Sendinblue-code:d9acc6d0e385430933808c6a1d803454
v=spf1 include:_spf.google.com include:spf.simply.com include:spf.sendinblue.com mx ~all

✉️ SPF#

Policy	Record (chrschmidt.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:spf.simply.com include:spf.sendinblue.com mx ~all

📨 DMARC#

Policy	Record (_dmarc.chrschmidt.dk)
p=none (monitor only)	v=DMARC1; p=none; sp=none; rua=mailto:dmarc@mailinblue.com!10m; ruf=mailto:dmarc@mailinblue.com!10m; rf=afrf; pct=100; ri=86400

📬 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 13:42:45

www	52.212.157.138 (AS16509) (address records, no CNAME)
www vs bare domain	Same network chrschmidt.dk: 52.212.157.138 (AS16509) www.chrschmidt.dk: 52.212.157.138 (AS16509)
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

✍️ DKIM keys#

2 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit
mail	—	RSA · ~1024 bit below 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: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

52ms

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

🏷️ SOA#

42ms

Field	Value
Serial	2026093000
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 2026-10-12 13:58:20

Field	Value
Registrar	Simply.com A/S
Registered	2014-11-27
Expires	2026-11-30 (38d)

🔗 Same registrant#

1 domain

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).

Domain	Registrar
skagenhonning.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

30ms

41ms

38ms

AAAA

24ms

TXT

125ms

CAA

44ms

HTTPS

27ms

TLSA

159ms

SOA

42ms

MTA-STS

42ms

DNSSEC

52ms

SRV

60ms

Total

576ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 13:42:44	1862ms	4 NS 1 A 5 MX	🔒 Secure
2026-10-01 02:37:31 shown	576ms	4 NS 1 A 5 MX	🔒 Secure
2026-09-30 16:13:09	2203ms	4 NS 1 A 5 MX	🔒 Secure
2026-09-29 15:50:04	623ms	4 NS 1 A 5 MX	🔒 Secure
2026-08-27 20:11:37	692ms	4 NS 1 A 5 MX	🔒 Secure
2026-08-25 15:55:16	2677ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-21 03:20:11	897ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-16 20:45:54	753ms	4 NS 1 A 5 MX	🔒 Secure