seltzer.dk DNS records

🖥️ Nameservers2 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
arely.ns.cloudflare.com	108.162.194.164 162.159.38.164 172.64.34.164 2606:4700:50::a29f:26a4 2803:f800:50::6ca2:c2a4 2a06:98c1:50::ac40:22a4	arely.ns.cloudflare.com arely.ns.cloudflare.com arely.ns.cloudflare.com arely.ns.cloudflare.com arely.ns.cloudflare.com arely.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
gannon.ns.cloudflare.com	108.162.195.59 162.159.44.59 172.64.35.59 2606:4700:58::a29f:2c3b 2803:f800:50::6ca2:c33b 2a06:98c1:50::ac40:233b	gannon.ns.cloudflare.com gannon.ns.cloudflare.com gannon.ns.cloudflare.com gannon.ns.cloudflare.com gannon.ns.cloudflare.com gannon.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.198.79.1	300s	—	AS16509	Amazon.com, Inc.	216.198.79.0/24	🇺🇸 United States	—

📧 MX Records1 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	seltzer-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::7 2a01:111:f403:ca09::26 2a01:111:f403:ca09::c 52.101.68.0 52.101.68.36 52.101.68.5 52.101.73.30	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 82ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records5 records 209ms

TXT Record
apple-domain=3C2GjI9TOSEXYbij
apple-domain=Iymu5y1QblJjYkqg
google-site-verification=bpWXsdrBp7jt_MrvrJasx8Y4WkUGFe1M2tIYRqBHthE
MS=ms13100489
v=spf1 include:icloud.com include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (seltzer.dk)
~all (soft fail)	v=spf1 include:icloud.com include:spf.protection.outlook.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

🔗 TLSA / DANE

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

🔐 DNSSEC98ms

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

🏷️ SOA0ms

Field	Value
Serial	2413380955
Primary NS (MNAME)	arely.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

54ms

A

55ms

MX

56ms

AAAA

55ms

TXT

209ms

CAA

66ms

HTTPS

55ms

TLSA

390ms

SOA

0ms

MTA-STS

74ms

DNSSEC

98ms

SRV

82ms

Total

1093ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 17:15:07	1093ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-28 14:05:05	2979ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-24 19:52:05	3454ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-21 16:44:05	9485ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-19 06:41:25	3169ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-22 22:23:22	3754ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-22 18:55:11	1173ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 14:08:40	3341ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 12:16:18	1242ms	2 NS 1 A 1 MX	🔓 Insecure	View