holstschumacher.dk

📜 Historical scan 2026-06-20 18:51:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holstschumacher.dk is a .dk domain served by 2 nameservers (donald.ns.cloudflare.com, serena.ns.cloudflare.com). It was registered on 6 September 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.239.32.21 is hosted by Google LLC (AS15169) in United States. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 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#

2 records 126ms

Nameserver	IP addresses	PTR	ASN / ISP
donald.ns.cloudflare.com	108.162.193.158 172.64.33.158 173.245.59.158 2606:4700:58::adf5:3b9e 2803:f800:50::6ca2:c19e 2a06:98c1:50::ac40:219e	donald.ns.cloudflare.com donald.ns.cloudflare.com donald.ns.cloudflare.com donald.ns.cloudflare.com donald.ns.cloudflare.com donald.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
serena.ns.cloudflare.com	108.162.192.220 172.64.32.220 173.245.58.220 2606:4700:50::adf5:3adc 2803:f800:50::6ca2:c0dc 2a06:98c1:50::ac40:20dc	serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

4 records 113ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.239.32.21	300s	any-in-2015.1e100.net	AS15169	Google LLC	216.239.32.0/20	🇺🇸 United States	—
216.239.34.21	300s	any-in-2215.1e100.net	AS15169	Google LLC	216.239.32.0/20	🇺🇸 United States	—
216.239.36.21	300s	any-in-2415.1e100.net	AS15169	Google LLC	216.239.32.0/20	🇺🇸 United States	—
216.239.38.21	300s	any-in-2615.1e100.net	AS15169	Google LLC	216.239.32.0/20	🇺🇸 United States	—

📧 MX Records#

7 records 117ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	aspmx.l.google.com	142.251.168.26 2a00:1450:400c:c02::1a 2a00:1450:400c:c02::1a	wh-in-f26.1e100.net wn-in-x1a.1e100.net wn-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	300s	alt1.aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c01::1a	rd-in-f27.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	300s	alt2.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
30	300s	aspmx2.googlemail.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
30	300s	aspmx3.googlemail.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
30	300s	aspmx4.googlemail.com	192.178.211.26 2404:6800:4000:1025::1b	lcbomp-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx5.googlemail.com	173.194.43.26 2607:f8b0:400e:c1e::1a	yudlsqd-in-f26.1e100.net yudlsqd-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 442ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.holstschumacher.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:dmarc-reports@holstschumacher.dk; sp=reject; adkim=s; aspf=s

📬 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 2026-10-14 08:39:24

www CNAME	ghs.google.com (all on google.com) → 142.250.154.121 2a00:1450:4001:c0f::79 (AS15169)
www vs bare domain	Same network holstschumacher.dk: 216.239.32.21 216.239.34.21 216.239.36.21 216.239.38.21 (AS15169) www.holstschumacher.dk: 142.250.154.121 2a00:1450:4001:c0f::79 (AS15169)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.holstschumacher.dk	oSWdabpz0ewMvm20SktRDdyBmJ0hVr-t-L2h_3zwcfY
TXT	_acme-challenge.holstschumacher.dk	XMW5l_PoIfVyS_ylQcFhoy5-YDVXXBdySkr4uKOfzcE

🔗 TLSA / DANE#

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

🔐 DNSSEC#

278ms

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

🏷️ SOA#

90ms

Field	Value
Serial	2407057483
Primary NS (MNAME)	donald.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 02:04:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-09-06
Expires	2027-09-30 (339d)

📋 WHOIS#

⏱️ Lookup Timing#

126ms

113ms

117ms

AAAA

110ms

TXT

442ms

CAA

102ms

HTTPS

102ms

TLSA

246ms

SOA

90ms

MTA-STS

118ms

DNSSEC

278ms

SRV

143ms

Total

1689ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 08:39:24	2364ms	2 NS 4 A 5 MX	🔒 Secure
2026-10-13 06:24:09	626ms	2 NS 4 A 5 MX	🔒 Secure
2026-09-30 22:55:01	671ms	2 NS 4 A 5 MX	🔒 Secure
2026-09-25 00:53:11	834ms	2 NS 4 A 5 MX	🔒 Secure
2026-09-22 05:45:45	1182ms	2 NS 4 A 5 MX	🔒 Secure
2026-09-04 04:46:59	746ms	2 NS 4 A 5 MX	🔒 Secure
2026-08-29 12:03:54	3235ms	2 NS 4 A 5 MX	🔒 Secure
2026-08-28 01:17:05	708ms	2 NS 4 A 5 MX	🔒 Secure
2026-08-27 00:20:29	1120ms	2 NS 4 A 5 MX	🔒 Secure
2026-08-25 14:14:03	2056ms	2 NS 4 A 5 MX	🔒 Secure
2026-08-16 13:09:58	4406ms	2 NS 4 A 5 MX	🔒 Secure
2026-08-06 03:18:59	1492ms	2 NS 4 A 5 MX	🔒 Secure
2026-07-22 00:18:44	4005ms	2 NS 4 A 5 MX	🔒 Secure
2026-07-08 17:27:04	2906ms	2 NS 4 A 7 MX	🔒 Secure
2026-07-06 09:47:44	1874ms	2 NS 4 A 7 MX	🔒 Secure
2026-06-27 11:04:05	2786ms	2 NS 4 A 7 MX	🔒 Secure
2026-06-22 09:55:29	1099ms	2 NS 4 A 7 MX	🔒 Secure
2026-06-21 14:24:02	920ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 18:51:44 shown	1689ms	2 NS 4 A 7 MX	🔒 Secure
2026-06-17 11:37:12	3642ms	2 NS 4 A 7 MX	🔒 Secure