oyster.dk DNS records

🖥️ Nameservers5 records 23ms

Nameserver	IP addresses	PTR	ASN / ISP
nordic1.dnsnode.net	194.58.192.32 2a01:3f1:32::53	nordic1.dnsnode.net nordic1.dnsnode.net	AS8674 Netnod AB AS8674 Netnod AB
ns.hi3gaccess.se	2a02:aa0::53 80.251.192.244	ns.hi3gaccess.se ns.hi3gaccess.se	AS44034 Hi3G Access AB AS44034 Hi3G Access AB
ns2.hi3gaccess.se	2a02:aa0::54 80.251.192.245	ns2.hi3gaccess.se ns2.hi3gaccess.se	AS44034 Hi3G Access AB AS44034 Hi3G Access AB
nsp.dnsnode.net	194.58.198.32 2a01:3f1:3032::53	nsp.dnsnode.net nsp.dnsnode.net	AS56908 Netnod AB AS56908 Netnod AB
nsu.dnsnode.net	185.42.137.98 2a01:3f0:400::32	nsu.dnsnode.net nsu.dnsnode.net	AS8674 Netnod AB AS8674 Netnod AB

🌍 A Records1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.66.77.138	1200s	dhcp77-138.skyline.elro.dk	AS47292	Sentia Denmark A/S	77.66.76.0/22	🇩🇰 Denmark	Værløse

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	77.66.77.138
🔶 Autoconfig	77.66.77.138

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records4 records 116ms

TXT Record
_globalsign-domain-verification=fiDGugKpMAKQmezs9KwvO3Ns6oBgYsnRZTqMxEmr9m
_globalsign-domain-verification=n65xhT4HP3gwXjs9ey3FjdsUj3PI3TOMP4ps8M8UIr
_globalsign-domain-verification=yufXalIaZPXU4KP00jl7jWsBxdcFegrU7Pw27iTSrN
v=spf1 -all

✉️ SPF

Policy	Record (oyster.dk)
-all (hard fail)	v=spf1 -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)

🔐 DNSSEC96ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082800
Primary NS (MNAME)	ns.hi3gaccess.se
Responsible (RNAME)	hostmaster@tre.se
Refresh	14400s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

23ms

A

30ms

MX

33ms

AAAA

27ms

TXT

116ms

CAA

25ms

HTTPS

21ms

TLSA

109ms

SOA

0ms

MTA-STS

36ms

DNSSEC

96ms

SRV

41ms

Total

454ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 12:43:51	454ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-08-28 20:18:00	904ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-08-26 17:21:25	1246ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-08-24 20:15:59	1557ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-08-23 19:53:43	4186ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-08-22 15:58:48	1226ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-08-20 15:48:19	11775ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-08-19 06:35:05	4096ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-08-15 21:34:12	1188ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-08-13 22:22:50	3317ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-08-12 16:41:13	4810ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-08-10 13:47:17	836ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-08-08 03:37:53	786ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-08-06 19:58:48	1033ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-07-30 12:04:22	961ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-07-26 11:16:05	17259ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-07-25 11:03:51	3382ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-07-23 09:32:33	2139ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-07-22 08:26:59	3679ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-07-21 04:27:27	2729ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-07-18 20:43:39	3619ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-07-17 20:08:21	937ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-07-14 13:06:58	872ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-07-10 05:39:27	1156ms	5 NS 1 A 0 MX	🔒 Secure	View
2026-07-06 23:23:40	1057ms	5 NS 1 A 0 MX	🔒 Secure	View