altschuler.dk

📜 Historical scan 2026-09-18 08:49:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

altschuler.dk is a .dk domain served by 4 nameservers (ns-1360.awsdns-42.org, ns-1690.awsdns-19.co.uk, ns-264.awsdns-33.com and 1 more). It was registered on 5 August 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.150.1.1 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by in1-smtp.messagingengine.com, in2-smtp.messagingengine.com. The zone is not DNSSEC-signed, has no 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 44ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1360.awsdns-42.org	205.251.197.80 2600:9000:5305:5000::1	ns-1360.awsdns-42.org ns-1360.awsdns-42.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1690.awsdns-19.co.uk	205.251.198.154 2600:9000:5306:9a00::1	ns-1690.awsdns-19.co.uk ns-1690.awsdns-19.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-264.awsdns-33.com	205.251.193.8 2600:9000:5301:800::1	ns-264.awsdns-33.com ns-264.awsdns-33.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-621.awsdns-13.net	205.251.194.109 2600:9000:5302:6d00::1	ns-621.awsdns-13.net ns-621.awsdns-13.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records#

1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.150.1.1	300s	—	AS16509	Amazon.com, Inc.	216.150.1.0/24	🇺🇸 United States	—

📧 MX Records#

2 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	in1-smtp.messagingengine.com	103.168.172.216 103.168.172.217 103.168.172.218 103.168.172.219 103.168.172.220 103.168.172.221 103.168.172.222 103.168.172.223	phl-mx-01.messagingengine.com phl-mx-02.messagingengine.com phl-mx-03.messagingengine.com phl-mx-04.messagingengine.com phl-mx-05.messagingengine.com phl-mx-06.messagingengine.com phl-mx-07.messagingengine.com phl-mx-08.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd
20	300s	in2-smtp.messagingengine.com	202.12.124.216 202.12.124.217 202.12.124.218 202.12.124.219	stl-mx-01.messagingengine.com stl-mx-02.messagingengine.com stl-mx-03.messagingengine.com stl-mx-04.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 70ms

Service	Priority	Weight	Port	Target
_imaps._tcp	0	1	993	imap.fastmail.com

📝 TXT Records#

1 records 227ms

TXT Record
v=spf1 include:spf.messagingengine.com ?all

✉️ SPF#

Policy	Record (altschuler.dk)
?all (neutral)	v=spf1 include:spf.messagingengine.com ?all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-09 12:49:33

www CNAME	5ffa6eb4158f9297.vercel-dns-016.com (all on vercel-dns-016.com) → 216.198.79.1 64.29.17.1 (AS16509)
www vs bare domain	Same network altschuler.dk: 216.150.1.1 (AS16509) www.altschuler.dk: 216.198.79.1 64.29.17.1 (AS16509)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

89ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-1690.awsdns-19.co.uk
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-16 18:05:47

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-08-05
Expires	2027-09-30 (348d)

🔗 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
tudse.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

44ms

38ms

58ms

AAAA

50ms

TXT

227ms

CAA

58ms

HTTPS

54ms

TLSA

275ms

SOA

0ms

MTA-STS

73ms

DNSSEC

89ms

SRV

70ms

Total

3402ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 12:49:33	3877ms	4 NS 1 A 2 MX	🔓 Insecure
2026-09-30 05:36:52	2875ms	4 NS 1 A 2 MX	🔓 Insecure
2026-09-18 08:49:53 shown	3402ms	4 NS 1 A 2 MX	🔓 Insecure
2026-09-06 02:43:30	3511ms	4 NS 1 A 2 MX	🔓 Insecure
2026-08-26 07:22:51	12310ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-24 03:35:26	2141ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-24 02:30:27	1190ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 06:44:36	2554ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-16 12:52:19	2424ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-16 12:50:17	2298ms	4 NS 1 A 2 MX	🔓 Insecure