altschuler.dk

Records from scan: 2026-10-09 12:49:33 · 3877ms total · last checked 2026-10-15 20:22 (unchanged)

⬇ 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 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 47ms

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 40ms

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 59ms

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 80ms

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

📝 TXT Records#

1 records 207ms

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#

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#

135ms

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

🏷️ SOA#

54ms

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#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

47ms

40ms

59ms

AAAA

50ms

TXT

207ms

CAA

49ms

HTTPS

57ms

TLSA

243ms

SOA

54ms

MTA-STS

68ms

DNSSEC

135ms

SRV

80ms

Total

3877ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 12:49:33 shown	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	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